Starting and stabilizing the stir function.
What functions may funnels do in the laboratory?Pouring solids into a beaker or other container. To pour liquid, other types of funnels can be utilized. Pouring liquid into a beaker. A powder funnel is a funnel with a broad opening that is used for solids.
Start by beginning and stabilizing the stir function when heating a solution to boiling on a hot plate. To begin, reduce the heat to a medium setting. After approximately ten minutes of not witnessing boiling, increase the heat setting if required. When a certain amount of solute is dissolved in a solvent at constant pressure, the net result of energy absorbed or released as heat by the solution.
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if i have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 0 c, how many moles of gas do i have?
The measurements for such question indicate that we possess 1.259 mol of gas.
Is 37 degrees Fahrenheit hot or cold?Your body temperature is usually around 37 °C. When his body is 37.8°C or greater, you typically have a fever. You might feel hot, cold, or shaky. You can tell if you have a fever by testing your temperature with a thermometer.
Pressure of gas = 1.2 atm
Volume of gas = 31 L
Temperature of gas = 87°C
Number of moles = ?
The generic gas equation will be used to address the given problem.
PV = nRT
P= Pressure
V = volume
n = number of moles
R is equal to 0.0821 atm.L/mol.K for general gases.
T = temperature in kelvin
Now we will convert the temperature.
87+273 = 360 K
by putting values,
1.2 atm × 31 L = n×0.0821 atm.L/ mol.K × 360 K
37.2 atm.L = n× 29.556 atm.L/ mol
n = 29.556 atm.L/mol / 37.2 atm.L
n = 1.259 mol
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how does rank the compounds nh3, n2, c2h6, ncl3, h2 in terms of decreasing capillary action in a glass tube
The given compounds ranked based on the decreasing capillary action in a glass tube NH₃ < NCl₃ < C₂H₆ < N₂ < H₂.
How would you describe the capillary action?A meniscus will turn upward as a result of water adhesion to a vessel's walls, which exerts an upward force on the liquid at the liquid's edges. The surface tension maintains the surface's integrity. When the adhesion to the walls is greater than the cohesive forces between the liquid molecules, capillary action takes place.
The movement of liquids in constricted areas is known as capillary action. The force of molecular attraction between a liquid and the solid surfaces around it is to blame.
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The formula for an ionic compound always indicates the _________ whole number ratio of the positive to negative ions within the crystal.
The formula for an ionic compound always indicates the smallest whole number ratio of positive to negative ions within the crystal.
Ionic compounds have ionic bonds that result from the transfer of electrons between a cation (positive ion) and an anion (negative ion). In most cases, metallic and non-metallic elements make up ionic compounds. The chemical is neutral by definition but contains positively and negatively charged ions known as anions and cations.
The ratio of cations which are the positively charged ions to anions which are the negatively charged ions in an ionic compound's formula must be the smallest possible whole number. For instance, the ionic compound sodium chloride (NaClformula )'s implies that there are two chloride ions for every one sodium ion (Na+) (Cl-). This is known as the empirical formula of the compound.
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You are given a 1.50-g mixture of sodium nitrate and sodium chloride. You dissolve this mixture into 100 mL of water and then add an excess of 0.500 M silver nitrate solution. You produce a white solid, which you then collect, dry, and measure. The white solid has a mass of 0.641 g. a. If you had an extremely magnified view of the solution (to the atomic-molecular level), list the species you would see (include charges, if any). b. Write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c. Calculate the mass percent of sodium chloride in the original unknown mixture.
A. If you had an extremely magnified view of the solution (to the atomic-molecular level), the species you would see would include sodium ions (Na+), nitrate ions (NO3-), chloride ions (Cl-), and silver ions (Ag+).
What is atomic-molecular?Atomic-molecular level refers to the scale at which the behavior of atoms and molecules can be studied and understood. At this level, the structure and properties of materials can be explained in terms of the interactions between atoms and molecules.
b. The balanced net ionic equation for the reaction that produces the solid is as follows:
Na+ + Cl- + Ag+ → AgCl(s) + Na+
c. To calculate the mass percent of sodium chloride in the original unknown mixture, we need to determine the mass of sodium chloride in the mixture. Since the original mixture had 1.50 g of sodium nitrate and sodium chloride combined, we can subtract the mass of sodium nitrate from this to find the mass of sodium chloride:
Mass of sodium chloride = 1.50 g - 0.859 g = 0.641 g
To calculate the mass percent of sodium chloride, we can divide the mass of sodium chloride by the total mass of the mixture and multiply by 100:
Mass percent of sodium chloride = (0.641 g / 1.50 g) × 100 = 42.7%.
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Consider this initial-rate data at a certain temperature for the reaction described by
2NO2(g) + O3 (g) ----> N2O5 (g) +O2 (g)
[NO2]0 (M) [O3]0 (M) Initial rate (M/s)
0.65 0.8 2.47 x 104
1.1 0.8 4.18 x 104
1.76 1.4 11.70 x 104
*(the second column values are 0.8, 0.8, and 1.4. they are running into the other column).
Determine the value and units of the rate constant.
Take into account these initial-rate measurements for the reaction given by K has a value of 6.6 s-1.
In eleventh-grade chemistry, what is a reaction?Chemical Response: Chemical reactions are the processes by which a substance or substances change chemically to create a new substance or substances with entirely new attributes. Products are completely distinct in nature and identity from reactants.
A physical reaction is what?A physical response is a reaction that modifies the physical characteristics of an item or material Determinants of physical attributes include things like volume, mass, and density. The definition of a physical reaction is a response in which molecules rearrange one another but do not undergo chemical change.
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Consider these observations of the starting rate for the reaction for which K gives a score of 6.6 s-1.
In eleventh-grade chemistry, what is a reaction?Chemical Reaction: Chemical reactions are now the mechanisms by which a material or substances undergo chemical modification to produce a new substance or compounds with wholly new properties. Products are wholly different from reactants in nature and identity.
A physical reaction is what?A physical response is a reaction that modifies the physical characteristics of an item or material Determinants of physical attributes include things like volume, mass, and density. A physical reaction is defined as an action in which ions rearrange one another without experiencing a chemical change.
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the precise weight of a mole of some pure elements like silicon (si) can vary slightly from the standard atomic mass, or even from sample to sample. why?
The element may have multiple stable isotopes, and the isotopic composition may vary from sample to sample.
Isotopes are two or more atom types that have the same atomic number (number of protons in their nuclei), location in the periodic table, and chemical element, but differ in nucleon numbers (mass numbers) because they have varying quantities of neutrons in their nuclei. Each isotope of a specific element has virtually identical chemical properties, but they vary in terms of their atomic weights and other physical attributes. The total number of protons in the nucleus plus the total number of electrons in a neutral (non-ionized) atom make up an atom's atomic number.
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Using the average atomic masses for each of the following elements (see the table inside the cover of this book), calculate the mass (in amu) of each of the following samples.
a. 125 carbon atoms
b. 5 million potassium atoms
c. 1.04 × 10^22 lithium atoms
d. 1 atom of magnesium
e. 3.011 × 10^23 iodine atoms
The mass of the given samples is 150.125 amu, 1,955,000 amu, 7.28336 * 10^22 amu, 24.31 amu, and 3.826206 amu respectively
The mass of the given samples can be calculated in the following way
To calculate the mass of a sample, you need to multiply the number of atoms in the sample by the atomic mass of the element. The atomic masses of the elements are given in the table inside the cover of the book.
a. 125 carbon atoms:
The atomic mass of carbon = 12.01 amu
Mass of sample = 12.01 amu/atom * 125 atoms = 150.125 amu
b. 5 million potassium atoms:
The atomic mass of potassium = 39.10 amu
Mass of sample = 39.10 amu/atom * 5,000,000 atoms = 1,955,000 amu
c. 1.04 × 10^22 lithium atoms:
The atomic mass of lithium = 6.94 amu
Mass of sample = 6.94 amu/atom * 1.04 * 10^22 atoms = 7.28336 * 10^22 amu
d. 1 atom of magnesium:
The atomic mass of magnesium = 24.31 amu
Mass of sample = 24.31 amu/atom * 1 atom = 24.31 amu
e. 3.011 × 10^23 iodine atoms:
The atomic mass of iodine = 126.90 amu
Mass of sample = 126.90 amu/atom * 3.011 * 10^23 atoms = 3.826206 amu
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the density of copper is 8.92 g/ml. calculate the mass of copper (in cg) that occupies a volume of 25 ml.
The density of copper is 8.92 g/ml. Mass = density x volume 8.92 gm/cm^3*25cm^3 = 223gm. volume = mass/density 454 gm / 8.92 gm/cm^3 = 50.89 cm^3.
Density is termed as the substance of a mass per unit volume. It is denoted by ρ. It is defined as mass will be divided by volume. D = m / v.
D = 8.92 gm / cm3, V = 25.0 cm3 and M = D X V
Therefore, M = 8.92 gm/cm3 x 25 cm3 = 223 gm
Therefore, V = 454 gm / 8.92 gm/cm3 = 50.9 cm3 (the gm cancel out)
--The given question is incomplete, the complete question is
"The density of copper is 8.92 g/cm cubed A. What is the mass of 25.0 cm cubed of copper B. What is the volume of 454 g of copper"--
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The suggested mechanism for the reaction A + 2B + C D the suggested mechanism follows. A + B =X slow X + C → Y fast Y + B →D fast Derive the rate equation for the reaction from this mechanism. Enter the following orders as integers. (a) What is the order of the reaction with respect to A? (b) What is the order of the reaction with respect to B? (c) What is the order of the reaction with respect to C?
The orders of the reaction with respect to A, B, and C are (a) 1, (b) 2, and (c) 1, respectively.
What is reaction?Reaction is the process by which an organism responds to a stimulus, such as a chemical, physical, or environmental factor. Responses may be immediate or gradual, and can be positive or negative.
The rate equation for the reaction is given by:
Rate = k[A]x[B]y[C]z
where k is the rate constant, and x, y, and z are the orders of the reaction with respect to A, B, and C, respectively.
From the mechanism, we can see that the reaction is first order with respect to A, second order with respect to B, and first order with respect to C. Therefore, the orders of the reaction with respect to A, B, and C are (a) 1, (b) 2, and (c) 1, respectively.
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what type of decay does not result in a change in atomic number? what type of decay does not result in a change in atomic number? alpha beta-minus isomeric transition beta-plus
A type of decay known as beta-minus decay doesn't change the atomic number. For the two kinds of beta decay, the names "beta minus" and "beta plus" are used. beta minus's degeneration.
When a proton decays into a neutron via beta decay () decay, a positron and an electron are created; nevertheless, when a neutron decays into a proton, an electron and an electron antineutrino are formed. The nuclear charge number (sign Z) of an atomic nucleus is the chemical element's atomic number. The proton number (np), or the number of protons in the nucleus of each atom of that element, is identical to this for conventional nuclei. A type of decay known as beta-minus decay doesn't change the atomic number. For the two kinds of beta decay.
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Your Task: Discuss how matter changes when thermal energy increases and decreases.
Please share your thoughts on thermal energy along the following discussion points:
Definition: Briefly define thermal energy. Use an example, if possible.
Increase. What happens when thermal energy is increased in matter? Use an example, if possible.
Decrease. What happens when thermal energy is decreased in matter? Use an example, if possible. Upload your paragraph to the assignment drop box. Refer to the rubric below to see how you will be evaluated.
Read other students’ posts and respond to at least two of them. In your responses, consider the following:
Mention at least one point on the importance of thermal energy. (not more than 1-2 sentences)
Share one key learning from the student’s post. (not more than 1-2 sentences)
Increase in the temperature would cause matter to change from one state to another.
What are the states of matter?We know that there are three states of matter that we have and these are the solid, the liquid and the gas states of matter. We know that one of the feats that can be accomplished heat is the conversion of matter from one state to another.
This is because, the addition of heat would supply energy to the molecules that compose matter and they would be able to move faster and thus break the bonds and convert from one state to the other.
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A pond initially contains 1,000,000 gal of water and an unknown amount of an undesirable chemical. Water containing 0.01 g of this chemical per gallon flows into the pond at a rate of 300 gal/h. The mixture flows out at the same rate, so the amount of water in the pond remains constant.Assume that the chemical is uniformly distributed throughout the pond.
The calculation to be used to determine if the chemical is evenly dispersed over the pond is dQ/dt=3-(3/10000Q).
Why do we use the term "chemical"?
Any material with a known composition is a chemical. To put it another way, a chemical always consists of the same "substance." There are some substances in nature, like water. Other chemicals, including chlorine, are produced (used for bleaching fabrics or in swimming pools).
Which five chemicals are examples?
Flammable liquids include phenol, dmf, acetonitrile, hexane, pyridine, xylene, toluene, ethyl alcohol, tetrahydrofuran, and ethyl ether.
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how many kilograms of chalcopyrite must be mined to obtain 465 g of pure cu ?how many kilograms of chalcopyrite must be mined to obtain 465 g of pure cu ?
Chalcopyrite must be mined to obtain 465 g of pure cu will be 1342.92g.
The chemical formula for Chalcopyrite will be CuFeS2 having a brassy to golden yellow color. It contains 34.5%Cu, 35.0% S and 30.5% Fe. Mineral is the principal source of a copper metal, as well as one of the major source of sulfur. Chalcopyrite will corresponds having a molecular mass of 183.54.
The distribution of a mass for this compound will be
Iron Fe 55.845 (1) 30.430%
Copper Cu 63.546 (1) 34.626%
Sulfur S 32.065 (2) 34.944%
Cu represents 34.626% of the total mass of a compound
To mine 425g of pure copper, requires a quantity of the Chalcopyrite which is equal to
\frac{465g}{0.34626} =1342.92g }{}
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each amino acid has a carboxyl group and an amino group. are these groups present in a polypeptide? explain.
Each amino acid also has a carboxyl (acid) as well as COOH group in addition to the amino or NH2 group. Peptide bonds hold amino acids, polypeptides, and proteins together.
An acid is what?Any component that tastes bad in aqueous system, turns red litmus paper red, releases hydrogen when it reacts with some metals, mixes with bases to form salts, and activates chemical reactions is referred to be an acids (acid catalysis).
What different kinds of acids exist?The two types of acids are organic materials and natural compounds. In comparison to acids and alkalis, organic acids are typically weaker. Although organic acids contain carbon, inorganic acids do not, and this is a crucial difference.
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Identify the term matching each description related to dissolving compounds. The fluid, usually liquid, that dissolves another compound Choose... The mass of a compound that can dissolve per mass of liquid ____ choose a. Insoluble b. Solvent c.Unsaturated d. Solubility e. Saturated f. Solute
The liquid or gaseous fluid that dissolves another compound = b. Solvent, The mass of a compound that can dissolve per mass of liquid = d. Solubility
A solvent is a substance that is able to dissolve another substance (the solute) to form a solution. A solution is a uniform mixture of solute and solvent. Solubility is a measure of how much solute can be dissolved in a given amount of solvent at a specific temperature.A solvent is the substance in which a solute is dissolved to form a solution. Solubility, on the other hand, is a measure of how much solute can be dissolved in a given amount of solvent at a specific temperature. In other words, the solvent is the medium in which a solute is dissolved, while solubility is a property of the solute and describes its ability to dissolve in a specific solvent under specific conditions.
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what is the percent ionization of a 2m solution of acetic acid at 25˚c?
0,6 %
0,3 %
0,0036 %
0,0018 %
The percent ionization of a 2M solution of acetic acid at 25˚C is 0.0036%.
Acetic acid is a weak acid and it ionizes only partially in an aqueous solution, meaning not all of the acetic acid molecules will dissociate into ions. The percent ionization of a weak acid can be calculated using the formula:
[H3O+]/[HA] = Ka
Acetic acid Ka = 1.8 x [tex]10^{-5}[/tex] at 25°C
[H3O+] = Ka x [HA] = 1.8 x [tex]10^{-5}[/tex] x 2 = 0.000036
% ionization = ( [H3O+]/[HA]) x 100 = 0.0036%
It's worth noting that Percent ionization is a small number, typically less than 1% for weak acids.
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Label the intermediate(s) and transition state(s) in the reaction mechanism
A. First intermediate formed
B. Second intermediate formed
C. First transition state formed
D. Second transition state formed
E. Third transition state formed
F. Product
The correct option is F. Product i.e., it is the intermediate(s) and transition state(s) in the reaction mechanism.
What is the reaction?One or more new substances are formed as a result of the rearrangement of the atoms or molecules of two or more substances that come into contact. Electrons of one material interact with those of another to produce chemical reactions.
What makes chemical reactions significant?We can learn about a substance's qualities by studying chemical reactions. We can learn about a substance's chemical characteristics by looking at how it interacts with other substances. These characteristics can be utilized to recognize an unidentified sample.
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what trend in ionization energy do you see as you go down a group/family on the periodic table? what causes this trend?
As you progress down a group, the first ionization energy normally drops. This is because the outermost electron is typically held less securely and can be removed with less energy because it is farther away from the nucleus.
As you descend a group family on the periodic table, what pattern do you notice?The electronegativity of a group diminishes from top to bottom. This is due to the fact that as atomic number decreases within a group, the atomic radius—the separation between the valence electrons and nucleus—increases.
As you move through the periodic table, what pattern do you notice in the ionization energy?First ionization energy normally rises from left to right across a period on the periodic table. This is because.
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Typically, the initial ionization energy decreases as you move along a group. This is because the outermost electron is typically held less securely and can be removed with less energy because it is farther away from the nucleus.
As you descend a group family on the periodic table, what pattern do you notice?A group's electronegativity decreases at top to bottom. This is because the atomic radius—the distance in between outer electrons and nucleus—increases as atomic number within a group decreases.
What pattern do you see in the ionization energy as you progress through the periodic table?On the periodic table, the first ionization energy typically climbs across a period from left to right.
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? Anyone know the answer
The amount of heat gained or lost by a sample (q) can be calculated using the equation q = mcΔT, where m is the mass of the sample, c is the specific heat, and ΔT is the temperature change.
In which process is heat not added?In adiabatic process, no transfer of heat takes place between system and surroundingAdiabatic process: When a thermodynamic system undergoes a change in such a way that no exchange of heat takes place between Systems and surroundings, the process is known as an adiabatic process.During an isobaric expansion process, heat enters the system. Part of the heat is used by the system to do work on the environment; the rest of the heat is used to increase the internal energy.:Yes, heat can be added to a body without causing the temperature of the body to rise as in the case of latent heat being added to cause a change of state of the body or isothermal process
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which statement describes why energy is released in a nuclear fusion reaction based on mass-energy equivalence?
The correct statement is for nuclear fusion reaction: A)For large nuclei, the mass of the original nucleus is greater than the mass of the products.
What was the explanation for mass-energy equivalence?This statement is based on the mass-energy equivalence, which states that the mass and energy of a system are equivalent and can be converted into each other according to the famous equation E=mc². In nuclear fusion reactions, the total mass of the products is less than the total mass of the reactants. This difference in mass is converted into energy and released as radiation, in the form of heat, light and other forms of radiation. Therefore, in a nuclear fusion reaction, the binding energy of the lighter nuclei is less than the binding energy of the heavier nucleus and the mass of the original nucleus is greater than the mass of the products, that's why energy is released.
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Which statement describes why energy is released in a nuclear fusion reaction based on mass-energy equivalence?
A)For large nuclei, the mass of the original nucleus is greater than the mass of the products.
B)For large nuclei, the mass of the original nucleus is less than the mass of the products.
C)For small nuclei, the binding energy of the lighter nuclei is greater than the binding energy of the heavier nucleus.
D)For small nuclei, the binding energy of the lighter nuclei is less than the binding energy of the heavier nucleus.
When zinc is heated redness in a current of steam,hydrogen gas is obtained.write an equation
when a Zn react with the steam ie, heated with a steam the product formed wiil be Zinc hydroxide and hydrogen gas.
Zn(OH)2 + H2
0.50 moles of gas take up 10.5 L
of space under constant pressure
and temperature conditions.
What volume is required to hold
2.0 moles of the gas?
Determine the product of the following reaction.1. LiAIH42. H2O
The product of the reaction using LiAIH₄ 2.H₂O is attached below.
In simple terms, what is a chemical reaction?One or more substances, also referred to as reactants, are changed into one or more new substances, referred to as products, during a chemical reaction. Combustion is one of the five fundamental types of chemical reactions, along with combination, decomposition, single-replacement, and double-replacement.
Chemical reactions begin with reactants, and the products of a reaction are the substances that were produced. The common chemical formula can be used to represent a chemical reaction: Reaction products. During chemical reactions, bonds shatter and reform. Also, the opposite outcome of the reaction happens.
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The tabulated data were collected for this reaction:
CH3Cl(g) + 3Cl2(g) → CCl4(g) + 3HCl(g)
[CH3Cl] (M) [Cl2] (M) Initial Rate (M/s)
0.050 0.050 0.014
0.100 0.050 0.029
0.100 0.100 0.041
0.200 0.200 0.115
The rate law is for this reaction is r= k [CH₃Cl][Cl₂]⁻⁰⁵ M s⁻¹
where the rate constant is k = 1.25 and the overall order of the reaction is 1.5.
An equation that connects the rate of a chemical reaction to the concentrations of the reactants is known as the rate law.
The reaction's rate law is as follows:
r = k [CH₃Cl]ᵃ [Cl₂]ᵇ
where,
r is the initial rate.
k is the rate constant.
a is the reaction order for CH₃Cl.
b is the reaction order for Cl₂.
If we write the ratio r₂/r₁, we get:
r₂/r₁ = k [CH₃Cl]₂ᵃ [Cl₂]₂ᵇ / k [CH₃Cl]₁ᵃ [Cl₂]₁ᵇ
r₂/r₁ = {[CH₃Cl]₂/ [CH₃Cl]₁}ᵃ
(0.029 M/s)/(0.014 M/s) = {0.100M/0.050 M}ᵃ
a ≈ 1
If we write the ratio r₃/r₂, we get:
r₃/r₂ = k [CH₃Cl]₃ᵃ [Cl₂]₃ᵇ / k [CH₃Cl]₂ᵃ [Cl₂]₂ᵇ
r₃/r₂ = {[Cl₂]₃/[Cl₂]₂}ᵇ
(0.041 M/s)/(0.029 M/s) = {0.100 M/0.050 M}ᵇ
b ≈ 0.5
So far, the rate law is:
r= k[CH₃Cl][Cl₂]⁰⁵
your question is incomplete but most probably your full question was
The tabulated data were collected for this reaction:
CH3Cl(g) + 3Cl2(g) → CCl4(g) + 3HCl(g)
[CH3Cl] (M) [Cl2] (M) Initial Rate (M/s)
0.050 0.050 0.014
0.100 0.050 0.029
0.100 0.100 0.041
0.200 0.200 0.115
(a) Write an expression for the reaction rate law and calculate the value of the rate constant, k.
(b) What is the overall order of the reaction?
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in the beta oxidation pathway, when the starting fatty acid contains n carbons, what is the product of the enzyme acyl-coa synthetase? assume the starting saturated fatty acid contains n carbons and n is an even number.
In the beta oxidation pathway, the product of the enzyme acyl-coa synthetase when the starting fatty acid contains n carbons is, an acyl-CoA molecule.
What is Beta oxidation pathway?The word "β-oxidation" refers to an oxidation that occurs in the fatty acid's -carbon when two carbon atoms are removed from the carboxyl end of the molecule at a time. By means of a process known as beta oxidation, fatty acids with an even or odd number of carbon atoms as well as unsaturated fatty acids are oxidised.
The acyl-CoA molecule contains n-carbon fatty acid, which is covalently bound to Coenzyme A (CoA) through a thioester bond. The starting fatty acid is a saturated fatty acid containing n carbons, where n is an even number.
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1.a student mixes baking soda and vinegar in a glass. the results are a bubbly chemical reaction. do you think any new substances are being created in this mixture? if so, how do you know?
2.suppose this was done on top of a balance. do you think the mass would change as the reaction proceeded?
3.what do you think would happen to the mass if the reaction took place inside a sealed plastic bag?
The baking soda and vinegar are an acid-base reaction which is chemical. Because of this, a new substance is formed. The bubbles show that a gas is created (carbon dioxide
Baking soda and vinegar cause a chemical acid-base reaction. As a result, a new substance is formed. The bubbles indicate the formation of a gas (carbon dioxide). Bicarbonate of soda, also known as "baking soda," is a fantastic household item that can be used for so much more than baking! See some of the best baking soda uses, from removing stains to cleaning teeth to even getting rid of your sweet tooth. We always had baking soda on hand when I was a kid to leaven biscuits, dumplings, and various quick breads. Mom put an open box of it in the fridge to absorb odours, and she had us drink a bit of it mixed with water to settle upset stomachs.
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How many liters of water would you need to add to 4. 36
moles of NaCl to create a 6. 43 M solution?
M
4.36 would require 0.67 L liters of water to be added. The number of moles of solute per liter of solution is known as molecularity or molar concentration.
Is molarity and normalcy always equal?A multiple of molarity is what is meant by normality. While "molarity" refers to the concentration of a substance or ion in a solution, "normality" refers to the molar concentration of simply the solution's basic or acid components, respectively.
What are molarity and normalcy?Molarity is the measure of the amount of solute per liter of solution (). The quantity of moles of solute per kilogram of solvent is expressed in terms of molality (). "Normality" is defined as the number of equivalents per liter of solution ().
Molarity = Number of moles / liters
6.43 M = 4.36 mol / liters
liters = 4.36 mol / 6.43 M
liters = 0.67 L
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How many significant figures does this value have: 10,888,003.0?
Answer:
1
Explanation:
significant figures means
amount of numbers AFTER a decimal
Answer:
Explanation:
there's 9
Is SbF3 polar or non polar?
Antimony trifluoride, SbF3, has a negligible solubility, hence its reactivity in non-polar aprotic solvent has not been investigated.
What kind of molecule is nonpolar?The non-polar molecules are those without charges at the end because their electrons are evenly distributed throughout and cancel one another out symmetrically. A polar and non-polar molecule cannot mix together in a solution.
Does water have polarity or not?The water molecule consists of two poles, one positive charge here on 'H' pole (side) and one negative charge here on 'O pole because of the uneven sharing of electrons here between atoms and the asymmetrical form of the molecule (side).
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A potato chip has a mass of 52.4 decigrams. What is the mass of the chip in grams?
A decigram is one-tenth of a gram, so to convert the mass of the chip from decigrams to grams, we need to multiply it by 10.
52.4 decigrams * 10 = 524 grams
So, the mass of the chip in grams is 524 grams.
