P450 enzymes that hydroxylate a variety of hydrophobic compounds including xenobiotics are found in the liver cells.
CYP450 enzymes evolved as the primary defense against xenobiotics and in this process are also responsible for the bioactivation of drugs and toxicants to more reactive intermediates. Cytochrome P450 enzymes are primarily found in liver cells but are also located in cells throughout the body.
Cytochromes P450 are enzymes that oxidize substances using iron and are able to metabolize a large variety of xenobiotic substances. CYP enzymes are linked to a wide array of reactions including O-dealkylation S-oxidation epoxidation and hydroxylation. Cytochrome P450 enzymes are essential for the production of cholesterol steroids prostacyclins and thromboxane A2.
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Given a cylinder of fixed volume filled with 1 mol of argon gas, which of the following is correct? (Assume all gases obey the ideal gas law.) a) If the temperature of the cylinder is changed from 25 degree c to 50 degree c, the pressure inside the cylinder will double. b) A cylinder of identical volume filled with the same pressure of helium must contain more atoms of gas because He has a smaller atomic radius than argon. c) If a second mole of argon is added to the original cylinder, the pressure will be doubled. d) If the temperature of the cylinder is changed from 400K to 200 K, the pressure will be doubled. e) None of the above.
Given a cylinder of fixed volume filled with 1 mol of argon gas, assume all gases obey the ideal gas law, none of the statement are correct. (Option E)
The ideal gas law, also known as the general gas equation, refers to a state of a hypothetical ideal gas. It is a good behavioral approximation of many gases exhibit under many conditions, although it has several limitations. It was suggested by Benoît Paul Émile Clapeyron in 1834 as a combination of the empirical Boyle's law, Charles's law, Avogadro's law, and Gay-Lussac's law. The ideal gas law is often written in an empirical form:
pV = nRT
where p, V and T are the pressure, volume, and temperature; n is the amount of substance; and R is the ideal gas constant.
Based on the relationship between pressure, volume, and temperature given by the equation, none of the statements are true.
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Which is a similarity between prokaryotic and eukaryotic cells
Eukaryotic and prokaryotic cells are similar in having ribosomes, cell membrane, and DNA, and have the same system of DNA replication.
Prokaryotic cells vs Eukaryotic cellsProkaryotic cells are primitive cells with no nucleus or membrane-bound organelles. The cells usually have cell walls whose content can vary depending on the organism. Their genetic materials lie freely within the cytoplasm.
Eukaryotic cells, on the other hand, are plant and animal cells with nuclei and membrane-bound organelles such as mitochondrion and chloroplast. Plant cells have cell walls while animal cells do not. The genetic materials of eukaryotic cells lie largely in the nuclei while organelles like mitochondrion and chloroplast have also been shown to contain some DNA.
While both cells are different in a lot of ways, they also have some similarities. These include:
Both have ribosomes which are organelles where protein synthesis takes place.Both have similar methods of gene expression - from DNA to RNA to proteins.Both have cell membranes, which are organelles that control the movement of materials in and out of the cell. The genetic materials of both cells are DNAs. The mechanisms of making DNA copies in both cells are similar.More on cells can be found here: https://brainly.com/question/12129097
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what is the strongest base in each the following reactions? provide justification based on solution equilibrium or forces of attraction between particles.
The strongest base is H2O.
• Strong acids (HNO3) have poor CB and 100% dissociation.
NO3- is a weak base as a result.
As the reaction progresses, H2O acquires H+ ions the majority of the time as NO3- and H2O compete for them.
What is the solution described?Any combination of one or more solutes that have been dissolved in a solvent is referred to as a solution. To create a homogenous mixture, a solute must dissolve in a solvent. To create a homogenous mixture, a solute must dissolve in a solvent.
What are the answer and an example?A homogenous combination of two or more components with particles smaller than 1 nm is referred to as a solution. Salt and sugar solutions are typical illustrations of solutions.
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Summarize the observations you collected when cross-linking poly(vinyl alcohol) with Borax in Part III.Discuss the effect of successive additions of Borax to poly(vinyl alcohol). Provide a sound chemical explanation for the behavior you observe.
Polymerization involves the synthesis of two or more monomers to get a polymer which is usually complex.
Polyvinyl alcohol can’t be used as a monomer(raw material) for polymerization because it is very unstable under normal conditions and will rearrange molecularly to give polyvinyl acetaldehyde.
To solve this, we need to use the expression for osmotic pressure which is the following:
π = MRT (1)
Where:
M: Concentration of the solution
R: gas constant (0.082 L atm/ mol K
T: temperature in K
25 °C in Kelvin is: 25 + 273.15 = 298.15 K
Now, we do not have the concentration of the solution, but we do have the mass. and the concentration can be expressed in terms of mass, molar mass and volume:
Concentration (M) is:
M = n/V (2)
and n (moles) is:
n = m/MM (3)
Therefore, if we replace (2) and (3) in (1) we have:
π = mRT/V*MM
Solving for MM we have:
MM = mRT/πV (4)
All we have to do now, is replace the given data and we should get the value of the molar mass:
MM = 6.143 * 0.082 * 298.15 / 0.1 * 0.272
MM = 150.1859 / 0.0272
MM = 5,521.54 g/mol
This is the molar mass.
Therefore, the sound chemical reaction of cross-linking with borax is molar mass 5521.54 g/mol.
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-Involves electrons
Duo-Happens outside atomic
nucleus
-Releases relatively small
amounts of energy
-Involves neutrons
-Happens inside atomic
nucleus
-Releases relatively large
amounts of energy
How should the student label each circle in this diagram?
O reaction A: chemical; reaction B: nuclear
reaction A: nuclear; reaction B: chemical
reaction A: strong nuclear; reaction B: weak nuclear
O reaction A: weak nuclear; reaction B: strong nuclear
TOODETE
In the labelling of the circles; reaction A is a chemical reaction while reaction B is a nuclear reaction.
How do we label the two circles?We know that in chemistry, the idea of change is quite central to our discussion. The change that we are talking about could be a chemical change or a physical change.
We have two circles that are in the Venn diagram that we have in the question. Before we can be able to label the two of the circles well we must have to remind ourselves of the differences between a chemical reaction and a nuclear reaction.
A chemical reaction result in the formation of new chemical species while the nuclear reaction would lead to the formation of new elements and the energy that is released in a nuclear reaction is far higher than the energy that is released from a chemical reaction.
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assign an oxidation state to each atom in each element, ion, or compound. drag the appropriate items to their respective bins.
The correct response is a) Ag. The oxidation number of an atom of a pure element is 0. The charge an atom would have if the compound were made up of ions is known as its oxidation number.
The oxidation state, often known as the oxidation number, in chemistry refers to the hypothetical charge that an atom would have if all of its links to other atoms were entirely ionic. It describes how much an atom has oxidized (lost electrons) in a chemical complex. The oxidation state can theoretically be positive, negative, or zero. Although nature does not include entirely ionic bonds, it does contain numerous strong ionic bonds, making the oxidation state a reasonable predictor of charge. The formal charge or any other genuine atomic attribute of an atom is not represented by the oxidation state of that atom. This is especially true for high oxidation states, where the amount of ionization energy needed to create a multiply positive ion is much more than the amount of energy available in chemical reactions. A compound's atoms' oxidation states can also change based on the electronegativity scale that was used to calculate them. An atom's oxidation state in a compound is thus just a formalization. Nevertheless, it is crucial to comprehend inorganic compound nomenclature rules. Additionally, a number of chemical reaction findings can be fundamentally described in terms of oxidation states.
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Assign oxidation states to each atom in each element, ion, or compound. a. Ag, b. Ag^+Ag+ c. CaF_2CaF 2 d. H_2SH2S e. CO_3 {2-}CO32− f. \mathrm{CrO}_{4}^{2-}CrO42−
propose a synthesis of each of the following compounds using the indicated starting material. you may use any organic compounds and any inorganic compounds or solvents of your choice. do not show any reactive intermediates, mechanisms, or transition states, but be sure to show each isolable compound along your synthetic route.
Organic compounds are substances in which carbon and hydrogen are covalently bonded to other elements.
Organic compounds. Any of a large class of compounds in which one or more carbon atoms are covalently bonded to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organics are carbides, carbonates, and cyanides.
Organic compounds are derived directly or indirectly from plants and animals. Compounds derived from minerals are called inorganic compounds. Inorganic substances are a group of chemicals that do not contain carbon. Chemical compounds in living organisms are called organic compounds. Organic compounds are due to their association with living organisms and because they are carbon-containing compounds.
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What determines the amount of products formed in a chemical reaction?; How are chemical equations used in stoichiometry?; What is the ratio of reactants and products in a chemical reaction called?; What makes stoichiometry a relationship between reactants and products?
The amount of products that are generated are based on the mass of the reactants in the reaction.
The ratio of reactants and products in a chemical reaction is called chemical stoichiometry.
The stoichiometric coefficients help us to establish the mole ratio between reactants and products.
What is stoichiometry?
Stoichiometry is based at the regulation of conservation of mass where the overall mass of the reactants equals the overall mass of the products, leading to the insight that the members of the family among quantities of reactants and products commonly form a ratio of wonderful integers. This means that if the amounts of the separate reactants are recognized, then the quantity of the product can be calculated. Conversely, if one reactant has a known quantity and the amount of the products may be empirically determined, then the quantity of the opposite reactants can also be calculated.To know more about stoichiometry, click the link given below:
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complete the curved arrow pushing mechanism for the following michael (conjugate) addition reaction. add the missing bonds, nonbonding electron pairs, and curved arrows as needed.
Michael (conjugate) addition reaction is during conjugate addition, a nucleophile adds to the electrophilic β-alkene carbon to from a C-Nuc bond.
A conjugate addition with a carbanion as the nucleophile is known as the Michael reaction. For the mechanism of this type of process, look at the Michael addition of a simple enolate.
During a Michael reaction the enolate acts as a nucleophilic donor and the α, β-unsaturated carbonyl acts as the electrophilic acceptor. The mechanism is a mixture of an alpha-substitution for the enolate and a conjugate addition for the α, β-unsaturated carbonyl.
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Identify type of reaction CaO + H2O
The reaction is showing Synthesis, where two molecules react to yield a new compound.
propose explanations for the trends you have described for ionic radii within groups and across periods
Ionic radii are a measure of the size of ions, which are atoms or molecules that have gained or lost electrons and therefore have a net electric charge. The ionic radii of elements within a group or a period can show certain trends due to the properties of the elements and the way in which their electron configurations change.
Within a group:
Within a group, ionic radii tend to increase as you go down the group. This is because elements in the same group have the same number of valence electrons (the electrons in the outermost energy level of an atom), but as you go down the group, the number of energy levels (shells) increases. This means that the outermost electrons are farther away from the nucleus, which leads to a larger atomic radius. When an atom loses or gains an electron to become an ion, the ionic radius will be similar to the atomic radius, so the ionic radii of elements within a group will also increase as you go down the group.
Across a period:
Across a period, ionic radii tend to decrease as you go from left to right. This is because elements in the same period have the same number of shells, but as you go from left to right, the number of protons (and therefore the atomic number) increases. This increases the positive charge of the nucleus, which attracts the electrons more strongly. As a result, the electrons are held closer to the nucleus, leading to a smaller atomic radius. When an atom loses or gains an electron to become an ion, the ionic radius will be similar to the atomic radius, so the ionic radii of elements across a period will also decrease as you go from left to right.
It is important to note that these trends are not always absolute and there can be some exceptions due to other factors such as electron shielding and the electron configurations of the elements.
There are several explanations for the trends in ionic radii within groups and across periods in the periodic table:
Within groups: Ionic radii generally increase as you move down a group. This is because the atomic radii of the elements in a group generally increase as you move down the group. This is due to the increasing number of energy levels and valence electrons as you move down the group. As the atomic size increases, the ionic size also increases.Across periods: Ionic radii generally decrease as you move from left to right across a period. This is because the atomic size generally decreases as you move from left to right across a period due to the increasing effective nuclear charge (the number of protons in the nucleus) and the decreasing number of energy levels. As the atomic size decreases, the ionic size also decreases.Charge: The ionic charge also plays a role in determining the ionic radius. For a given element, the ionic radius will generally be larger for a lower charge and smaller for a higher charge. This is because a higher charge leads to a stronger attractive force between the positive nucleus and the negative electrons, leading to a smaller size.Structure: The type of crystal structure can also affect the ionic radius. For example, cations in a cubic crystal structure generally have a smaller ionic radius than those in a hexagonal crystal structure.Overall, these trends in ionic radii can be explained by the interplay between the atomic size, effective nuclear charge, and the number of valence electrons of the elements.
What do subscripts in an empirical formula indicate?; What is the symbol of empirical formula?; What is the purpose of a subscript in a molecular compound?; What does the subscript 2 indicate in br2?
If there is more than one atom of a specific kind, the number is written as a subscript following the atom. Molecular formula is the representation of the molecule to show the number of atoms.
Empirical formulas are normally used to represent substances with undetermined molecular structures or substances not made up of normal molecular entities. A molecular formula is a representation of a molecule that uses chemical symbols to indicate the types of atoms followed by subscripts to show the number of atoms of each type in the molecule. A subscript is used only when more than one atom of a given type is present. we use the symbol of the element and include the subscript "2" to indicate that two atoms of that element are joined together. It indicates two atoms of the element have joined together to form a molecule in br2.
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Is centerfire ammunition used for muzzleloaders?; Which is better between centerfire and rimfire?; Whats the difference between centerfire and rimfire pistols?
No, centerfire ammunition is not used for muzzleloaders.
It is difficult to say which type of ammunition is better between centerfire and rimfire, as each type has its own advantages and disadvantages. Centerfire ammunition is usually more powerful and is better suited for long-range shooting, while rimfire ammunition is generally cheaper and quieter.
The main difference between centerfire and rimfire pistols is the way the primer is activated. Centerfire pistols use a primer that is located in the center of the base of the cartridge and is activated by a firing pin striking the primer. Rimfire pistols use a primer that is located around the rim of the cartridge and is activated by the firing pin crushing the primer.
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What happens to the volume of gases if temperature and pressure is the same?; What happens to the pressure of the gas if the volume increases?; What happens to the pressure of a gas if the volume increases but temperature and moles are constant?; Which law relates temperature pressure volume and the number of moles of a gas under perfect conditions?
The volume of a given quantity of gas kept at constant temperature changes inversely with the applied pressure while the temperature and mass are constant, according to Boyle's Law.
Robert Boyle performed an experiment on gases to study the deviation of its behavior in changed physical conditions. It states that under a constant temperature when the pressure on a gas increases its volume decreases. Boyle's Law states the relation between volume and pressure at constant temperature and mass.When pressure and temperature are maintained constant, Avagadro's Law provides the relationship between volume and amount of gas in moles. Boyle's Law provides the link between volume and pressure at constant mass and temperature.The volume grows as the temperature rises and decreases as the temperature falls, as seen in these common examples of how temperature affects the volume of a given quantity of a confined gas under constant pressure.
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refer to the following gases contained in identical rigid cyliners under the conitions given int hetable below. the density of the gas in g/l is
gases contained in identical rigid cyliners under the conitions given int hetable below, the density of the gas in g/l is Greatest in container B.
Gas Density is defined as the amount for every volume of a substance under particular conditions of pressure and temperature. The gas's energy is equal to its mass mass by the volume. We by now know that density () = m/V. So, in equation, compare the value of (2). As a result, the ideal gas density formula is = PM/RT. Brass and aluminium densities will be calculated using mass and volume metrics. Volumes would be ascertained geometries (measuring lengths), by hydrodistillation, and by make possible to demonstrate the effects of accuracy on data.
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The complete question is :
refer to the following gases contained in identical rigid cyliners under the conitions given int hetable below. the density of the gas in g/l is
Which one is not true of a normal retina?
A. A central small pet called the optic disc is the visual location for the best color, shape, and movement discrimination.
B. It is richly supplied with blood vessels.
C. It has a blind spot.
D. It contains millions of photo receptor cells, but no chemo receptor cells.
Answer:
A. A central small pet called the optic disc is the visual location for the best color, shape, and movement discrimination.
Explanation:
The optic disc, also known as the optic nerve head, is not a "pet" and it is not a location for visual discrimination. It is a small, circular area at the center of the retina where the optic nerve and blood vessels enter and exit the eye. The optic disc does not contain any photo receptors, so it is a "blind spot" in the sense that it does not contribute to vision. However, the rest of the retina is richly supplied with photo receptors and is responsible for sensing light and providing visual information to the brain.
'We discussed how some solutions are electrolytes in this lesson. Which of these would be a strong one? Question 27 options: C4H8O2 C6H12O6 C7H14O5 NaC2H3O2
The solution that will be a string one based on the information is D. NaC₂H₃O₂.
What is an electrolyte?A medium that contains ions and is electrically conducting due to the movement of those ions but does not conduct electrons is called an electrolyte. This includes the majority of salts, acids, and bases that are soluble when dissolved in polar solvents like water.
A solution is a specific kind of homogeneous mixture made up of two or more substances that is used in chemistry. A homogeneous mixture of two or more substances in relative amounts that can be continuously varied up to what is referred to as the limit of solubility is known as such a mixture. A solute is a substance dissolved in a solvent. The word "solution" is most often used to refer to the liquid state of matter, but it is also possible for gases and solids to form solutions.
Strong electrolyte means conducts electricty in water i.e, soluble ionic compound. It ionises in water completely. The correct option is D.
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Why did the periodic table change over time?; What are the most recent changes discoveries to the periodic table of elements?; Which is the most likely reason scientists update the periodic table?; When was the periodic table last updated and what elements were added?
To explain the behavior of chemicals, new findings and ideas are always being created. They are Nihonium, Moscovium, and Tennessine, respectively. Researchers find new elements.
An explanation of an element.An important part of the entire. In chemistry, the term refers to a straightforward chemical that cannot be broken down into smaller parts or changed into another substance. The fundamental units of an element are its atoms, which are composed of protons, neutrons, and electrons. Each atom of a given element contains a set number of protons.
What exactly does the word "elements" mean?If a substance has exactly the same number of protons in each of its atoms, or, to put it another way, if all of its atoms, then that substance is said to be an element.
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a chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas reaction vessel. the vessel is a stainless-steel cylinder that measures
The maximum safe operating temperature that the engineer should recommend for this reaction is 590°C.
What is high-pressure gas reaction vessel?Chemical reaction vessel that can conduct a reaction under elevated pressure (that is greater than atmospheric pressure) is called high pressure reaction vessel.
As the reaction is to performed in the cylindrical vessel, so volume of the cylindrical vessel will be:
Volume of cylinder =π r² h
Given r is 17 cm and h is 20.4 cm
= 22.17 * 17² * 20.4
= 4.630 cm²
As we know that: PV = nRT
moles = weight/molecular weight
moles of boron trifluoride = 98.5/67.82
moles of boron trifluoride = 1.452 mol
PV = nRT
T = PV/nR
T = (22.21 * 4.630)/( 0.0826 * 1.452)
= 863 K
= 863 - 273°C
= 590°C
Temperature of the system is: 590°C
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Note: The question given on the portal is incomplete. Here is the complete question.
Question: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas reaction vessel. The vessel is a stainless-steel cylinder that measures 17.0cm wide and 20.4cm high. The maximum safe pressure inside the vessel has been measured to be 2.20MPa. For a certain reaction the vessel may contain up to 0.0985kg of boron trifluoride gas. Calculate the maximum safe operating temperature the engineer should recommend for this reaction. Write your answer in degrees Celsius. Round your answer to significant digits.
Identify the reactant, reagents, and intermediates in the synthetic sequence shown. Reagents may be used more than once or not at all. Draw the intermediate products Band C (both are neutral; omit byproducts). 1.1) NINH Compound B H. Pac 1.2) 1-bromo-2 methylpropane 2.1) NaNH, 2.2 2. butanone 2.3) H* OH step 3 reagent Compound C H, Lindlu's cat Answer Bank HPC NaNH N/NH Boetylene H, Lindtar's cat Incorrect Draw compound B. incorrect Incorrect Draw compound C
The reagents are H2, Pd/C at step 1 and H2, Lindlar's cat at step 3. The reactants are 1.1) NaNH2, 1.2) 1-bromo-2 methylpropane, 2.1) NaNH2, 2.2) 2 butanone, and 2.3) H+.
When the base H2, Pd/C reagent reacts with any NaNH2, an acidic proton is initially abstracted, leaving carbon with a negative charge that will be counterbalanced by any plus. Now, this alliance will attack the chemical one bromo three methylpropane from the back, releasing a negative. And substance B is created. NaNH2 and Compound B will react. There is acidic hydrogen compound B present, and NaNH2 will eliminate it. 2 Butane reacts with hydrogen that is acidic to produce Compound C which further reacts with reagent H2, Lindlar's cat to produce final product.
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The half-life of carbon-14 is about 6000 ...
Therefore, in this instance, it will require 6000 years for 50% of the carbon-14 atoms in that specific substance to experience radioactive decay. If half of the atoms decay, half of the initial sample will still be present after one half-life.
What is Half Life?
One of an isotope's properties is whether or not it emits radioactive material. While certain isotopes are eternally stable, others are radioactive and undergo a distinctive sort of emission as they decay. The amount of the radioactive isotope will diminish with time as less and less of it is present. The half-life of radioactive decay is a fascinating and practical feature.
The half-life of a radioactive isotope is the amount of time it takes for one half of it to decay. The half-life of a particular radioactive isotope is not influenced by the environment and is not dependent on the isotope's initial concentration.
How long it will take for half of the atoms in an original sample to undergo radioactive decay is determined by an element's nuclear half-life.
The proportion of carbon-14 atoms will reach 25% of the original sample in another 6000 years, 12.5% in another 6000 years, and so on.
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in each reaction box, place the best reagent and conditions from the list. you are currently in a labeling module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop.the starting material is a carbon carbon triple bond, each carbon bonded to a c h 3 group. in 2 steps, this is converted to the product. the product contains two chiral carbons. the left carbon has a c h 3 group pointing to the lower left and carbon 2 on the lower right. pointing up, there is a wedged bond to bromine and a dashed bond to hydrogen. chiral carbon 2 is bonded to carbon 1 on the upper left, and to a c h 3 group on the upper right. pointing down, there is a dashed bond to bromine and a wedged bond to hydrogen.
Benzaldehyde is converted to 2-Phenyl acetonitrile in three steps.
Step 1: Reduction of benzaldehyde to benzyl alcohol in the presence of a strong reducing agent LiAlH4
Step 2: Benzyl alcohol is converted into benzyl chloride with PCl5
Step 3: Benzyl chloride is converted into 2-Phenyl acetonitrile with aq. KCN
This reaction is illustrative of a general procedure for the tetraalkylammonium salt-catalyzed alkylation of active methylene functions in the presence of concentrated aqueous alkali.
Methods for the alkylation of nitriles have been reviewed.12 These procedures, as well as those applied to other active methylenes, generally involve the use of dangerous and expensive condensing agents (sodium amide, metal hydrides, triphenylmethide, potassium tert-butoxide, etc.) and strictly anhydrous organic solvents (ether, benzene, N,N-dimethylformamide, dimethyl sulfoxide, etc.) or liquid ammonia.
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Calculate [OH -] given [H3O+] in each aqueous solution and classify the solution as acidic or basic a) [H3O+] = 1.3 x 10^-3 M b) [H3O+] = 9.1 x 10 ^-12 M c) [H3O+]= 5.2 x 10^-4 M d) [H3O]= 6.1 x 10 ^9 M
7.7*10^-12 Molar is [Hydroxide] when H3O+ is equal to 1.3 x 10^-3 M, 1.1*10^-3 M is [OH -] when H3O+ is equal to 9.1 x 10^-12 M, and 1.9*10^-11 M is [OH -] when H3O+ is equal to 5.2 x 10^-4 M.
For [H3O+] = 1.3 x 10-3 M, [OH -] equals 1.6*10-6 M. The chemical symbol for hydrogen is OH, making it a diatomic anion. It contains a negative electric charge and is made up of an oxygen and a hydrogen atom joined by a single covalent link.
[H3O+] = 1.3*10^-3 Molar
use:
[OH-] = Kw/[H3O+]
Kw is dissociation constant of water whose value is 1.0*10^-14 at 25 oC
[OH-] = (1.0*10^-14)/[H3O+]
[OH-] = (1.0*10^-14)/(1.3*10^-3)
[OH-] = 7.692*10^-12 M
7.7*10^-12 M
Given:
[H3O+] = 9.1*10^-12 M
[OH-] = Kw/[H3O+]
Kw is dissociation constant of water whose value is 1.0*10^-14 at 25 oC
[OH-] = (1.0*10^-14)/[H3O+]
[OH-] = (1.0*10^-14)/(9.1*10^-12)
[OH-] = 1.099*10^-3 M
1.1*10^-3 M
Given:
[H3O+] = 5.2*10^-4 M
use:
[OH-] = Kw/[H3O+]
Kw is dissociation constant of water whose value is 1.0*10^-14 at 25 oC
[OH-] = (1.0*10^-14)/[H3O+]
[OH-] = (1.0*10^-14)/(5.2*10^-4)
[OH-] = 1.923*10^-11 M
1.9*10^-11 M
[H3O+] = 6.1*10^-9 M
[OH-] = Kw/[H3O+]
Kw is dissociation constant of water whose value is 1.0*10^-14 at 25 oC
[OH-] = (1.0*10^-14)/[H3O+]
[OH-] = (1.0*10^-14)/(6.1*10^-9)
[OH-] = 1.639*10^-6 M
1.6*10^-6 M
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What powder should I use for my muzzleloader?
The powder should I use for my muzzleloader is the black powder, the mixture of the charcoal , sulfur, and the saltpeter.
The powder should be used in the muzzleloader is the black powder. The black is the mixture of the charcoal , sulfur, and the saltpeter. the powder is specially used to reduce the the smoke cause in the muzzleloader. the rifles, the single shot piston , the revolvers etc are the examples of the muzzleloader. the muzzleloader is the firearm which is projectile to the propellant that is loaded from the muzzle gun.
The propellant used in the muzzleloader is the black powder only. so, the powder we should in the muzzleloader is the black powder.
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the greenhouse gas n2o is important to human-caused climate change. this gas is produced in the soil by microbes called denitrifiers that convert no3- (nitrate) to n2o. they do this most effectively when there is a lot of no3- in the soil. given this, which of the following would most likely lead to more n2o emissions?
The most likely lead to more n2o emissions is fertilization of agricultural fields.
What is greenhouse gas?
A gas that produces the greenhouse effect by both absorbing and emitting radiant energy in the thermal infrared range is referred to be a greenhouse gas. The five main greenhouse gases in the atmosphere of Earth are ozone, carbon dioxide, methane, and water vapor.
In addition to being 300 times more powerful than carbon dioxide, nitrous oxide also thins out the ozone layer. Reducing it could have a quicker and more dramatic effect on global warming since it also has a shorter life cycle.
Agriculture, particularly fertilized soil and animal dung, is the main source of nitrous oxide, making it more difficult to control. "It is possible to consider limiting carbon dioxide, methane, and other substances. But nitrous oxide is mostly a problem with food production.
Therefore, the most likely lead to more n2o emissions is fertilization of agricultural fields.
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Match each marked point and arrow in the phase diagram shown with the correct description Instructions
The Match of each marked point and arrow in the phase diagram shown with the correct description Instructions are:
1 = Triple point
2 = A liquid cools down, freezes, and cools further.
3 = A gas is compressed at constant temperature and becomes a liquid.
4 = Critical point
5 = A substance in the solid phase
What is Triple point?The temperature and pressure at which a substance's three phases—gas, liquid, and solid are said to coexist in thermodynamic equilibrium are known as the triple point in thermodynamics.
Therefore, one can say that the tip of a phase equilibrium curve is referred to as a critical point (or critical state) in thermodynamics. The liquid-vapor critical point, the point on the pressure-temperature curve that marks the circumstances in which a liquid and its vapor can coexist, is the most notable example.
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In each case below, specify whether the impurity element will act as a donor or acceptor when added to the indicated semiconducting material. Impurity Semiconductor (a) in CdTe (b) AI Si
Impurity :- Cd , AI
Semiconductor :- Te ,Si
Donor Impurities :- The elements added to a donor to increase the electrical conductivity of that donor. Increase the free electrons in the semiconductor.Atoms have five valence electrons.Group V elements.Forms four covalent bonds inside the semiconductor, leaving the fifth electron as a free electron.
Acceptor impurities :-The elements added to an acceptor to increase the electrical conductivity of that acceptor.Group III elements.Increase the holes present in the semiconductor.Atoms have three valence electrons.Forms three covalent bonds inside the semiconductor, leaving a hole where a covalent bond is missing.
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What happened to elements and compounds that are dissolved in a solution when the water evaporates?; What are two ways that compounds are different from the elements that form them?; Is water an element?
When a solution of substances dissolves and the water evaporates, the elements and compounds crystallize. They only have one kind of molecule in them.
A group of two or more atoms bound together by the attractive forces known as chemical bonds is referred to as a molecule; depending on the context, the term may or may not include ions that meet this requirement. When referring to polyatomic ions, the word "molecule" is frequently used instead of the word "ion" in quantum physics, organic chemistry, and biochemistry.
The oxygen molecule (O2), for example, has two atoms, making it homonuclear. Alternatively, a molecule can be heteronuclear, which is a chemical complex made up of more than one element, such as water (two hydrogen atoms and one oxygen atom; H2O). Any gaseous particle, regardless of its composition, is frequently referred to as a "molecule" in the kinetic theory of gases.
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draw the major product of this reaction. ignore inorganic byproducts and the phthalic acid side product
CH3CH2CH2CH2CI is the major product of this reaction ignore inorganic compound by products and the phthalic acid side product. In chemistry, inorganic compounds are usually compounds that do not have carbon-hydrogen bonds, i.e., are not organic compounds.
What is inorganic compound?
In chemistry, inorganic compounds are usually compounds that do not have carbon-hydrogen bonds, i.e., are not organic compounds.
Therefore, CH3CH2CH2CH2CI is the major product of this reaction ignore inorganic compound by products and the phthalic acid side product. In chemistry, inorganic compounds are usually compounds that do not have carbon-hydrogen bonds, i.e., are not organic compounds.
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Similitudes and differences between the water cycle and the nitrogen cycle
Answer:Water cycle explains the recycling of water through the ecosystem. Nitrogen cycle describes the recycling of nitrogen through living (biotic) and non-living (abiotic) components of an ecosystem. Water changes its state when cycling while nitrogen changes its chemical form when cycling.
Explanation:
