Ranking from highest to lowest boiling point are as Highest BP: C36H78, 2nd highest: C17H36, 3rd highest: C5H12, Lowest BP: C2H6, 2nd lowest: C5H12.
Here is the series, heptadecane, C17 H36 > paraffin, C36H74 > 2,2-dimethylpropane; C,H12 > ethane, C2H6 > pentane, C5H12
The boiling point of a substance is the temperature at which its vapor pressure is equal to the pressure surrounding it, causing it to change from a liquid to a gas. Different substances have different boiling points, which can be affected by factors such as pressure and impurities. The boiling point of water, for example, is 100 degrees Celsius (212 degrees Fahrenheit) at sea level, while other substances such as helium and hydrogen have much lower boiling points.
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g in the beta oxidation pathway, what is the product of the enzyme acyl coa-dehydrogenase? assume the starting saturated fatty acid contains n carbons and n is an even number.
Assuming n is even and the initial saturated fatty acid has carbons CH Acetyl-CoA is the end result of acyl CoA-dehydrogenase.
What function does acyl-CoA dehydrogenase serve in the metabolism of fatty acids?ACAD are enzymes that catalyze the,-dehydrogenation of acyl-CoA derivatives in the catabolism of fatty acids and amino acids. The reconstructed human genome now recognizes eleven ACADs, and numerous homologs have been discovered in bacteria, mushrooms, plants, and worms.
What is acyl CoA dehydrogenase's purpose? What impact might a lack of acyl-CoA have?Overview. Low-molecular-weight acyl-CoA dehydrogenase An hereditary condition called MCAD deficiency hinders your body from metabolizing specific fats into energy. Consequently, your blood sugar level will increase.
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Indicate whether each of the following molecules is capable of geometrical (cis-trans) isomerism.
a. 1,1-dichloro-1-butene
b. 4,5-dimethyl-2-pentyne
c. 1,3-dichloro-2-butene
d. 1,4-dichlorobenzene
Comment on each molecule's ability to exhibit geometric (cis-trans) isomerism. Please illustrate the structures for those who are.
Isomerization: what do you mean?Isomerism is the occurrence of molecules with the same number and type of atoms (and thus the same structure) but chemical and physical capabilities.
The three different isomer kinds are what?Positional, chain, and functional group isomers are the three types of structural isomer.
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a solution contains one or more of the following ions: hg2 2, ba2 , and fe2 . when potassium chloride is added to the solution, a precipitate forms. the precipitate is filtered off and potassium sulfate is added to the remaining solution, producing no precipitate. when potassium carbonate is added to the remaining solution, a precipitate forms. part a which ions were present in the original solution? check all that apply. which ions were present in the original solution?check all that apply. hg2 2 ba2 fe2
The original solution contained the Hg2+2, Ba2+, and Fe2+ ions.
What is original solution?Original solutions are creative, unique approaches to problem solving or addressing an issue. They are not replicas of existing ideas or solutions but instead are fresh and inventive ways of tackling a problem. Original solutions often require a combination of critical thinking, innovative ideas, and creative problem solving.
When potassium chloride was added, a precipitate formed due to the formation of insoluble compounds such as BaCl2 and FeCl2. When potassium sulfate was added, no precipitate formed because the sulfate ion is soluble in solution. Finally, when potassium carbonate was added, a precipitate formed due to the formation of insoluble compounds such as BaCO3 and FeCO3.
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List the following atoms in order of increasing ionization energy: Li, Na, C, O, F. A) Li < Na < C < O < F B) Na < Li < C < O < F C) F < O < C < Li < Na D) Na < Li < F < O < C
The order of increasing ionization energy: Na < Li < C < O < F. Ionization energy rises throughout time, and as a group descends, IE falls.
A neutral atom is simpler to remove an electron from than a positive ion, and a negative ion is even simpler. Since lower ionization energy indicates simpler electron removal, O+>O>O is the correct order for IE. Since fluorine has more protons, it has a higher nuclear charge, which attracts electrons more strongly. Lithium is the group I element with the highest ionization enthalpy, but it also has the highest oxidation potential, making it the strongest reducing agent.
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Write the chemical equation for the ionization of dimethylamine, (CH3)2NH in aqueous solution.
The reaction is also an example of proton transfer, as the proton (H+) from the dimethylamine is transferred to water, forming the cation and anion.
What is dimethylamine?Dimethylamine is an organic compound with the molecular formula CH3-2-NH2. It is a base, colorless gas with a strong, fishy odor and is used in a variety of industrial applications.
The ionization of dimethylamine (CH3)2NH in aqueous solution can be represented by the following chemical equation:
(CH3)2NH + H2O → (CH3)2NH2+ + OH-
In this reaction, dimethylamine reacts with a water molecule to form a dimethylammonium cation (CH3)2NH2+ and a hydroxide anion OH-. This reaction is an example of an acid-base reaction, where dimethylamine is the acid and water is the base. The reaction is also an example of proton transfer, as the proton (H+) from the dimethylamine is transferred to water, forming the cation and anion.
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what is the difference between chemically defined and chemically complex media? give either a clinical
The difference among chemically defined and chemically complex media are the compositions.
What is the difference between chemically defined media and complex media?Chemically defined media contain pure biochemical; thus, the chemically defined media contain exactly known chemical composition. On the other hand, complex media contain complex materials such as blood, milk, beef extract, yeast extract, etc., so the chemical composition of the complex media is unknown.
Chemically defined media is all known compositions, The example is being glucose broth. When chemically complex media is unknown and can vary from batch to batch, example being nutrient broth.
Complex media are generally used for cultivation of bacterial pathogens and other fastidious bacteria. Most pathogenic bacteria of animals, that have adapted themselves to growth in animal tissues, need complex media for their growth.
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Give the electron-domain and molecular geometries for the following molecules and ions. molecular geometry -Select- electron domain (a) NH CI ---Select- (b) C032 ---Select- (c) BF3 --Select-- (d) XeF4 ---Select-- (e) CIO3 ---Select- (f) XeF2 ---Select-
The following ions and compounds. electron domain, molecular geometry (a) NH CI, Select-(b) C032, Select-(c) BF3, and Select-(d) XeF4.
How are the electromagnetic domain and molecular formula determined?To reduce repulsion, distribute the electron domain around the center atom. The overall amount of electron regions is counted. To ascertain the molecular geometry, consider the angular configuration of both the chemical bonds holding the atoms together. Remember that a bond with several atoms (such as a double or triple bond) counts into one electron domain.
What are the purposes of the molecular geometry and electron domain geometry?Result for an image Please provide the molecular and electron-domain geometries for following compounds and ions. molecular architecture Electron domain, choose (a) —-Select-NH CI (b) BF3 —Select— (d) XeF4 —-Select— C032 —-Select- (e)
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Identify the Lewis acid in the followingreaction:
Hg^{2+}(aq)+\rm 4CN^-(aq) <=> {Hg(CN)_4}^{2-}(aq)
a. Hg^{2+}
b. CN^-
c. {Hg(CN)_4}^{2-}
Lewis acid will be hg2+ in the reaction hg2+(aq)+4cn(aq)hg(cn)42(aq). Lewis acids are chemical entities that have an empty orbital.
Write Lewis acid examples in ch4 ?Ammonia giving to a Lewis acid or an electron acceptor. All substances cannot function as Lewis bases. For instance, the valence electrons in the chemical compound methane (CH4) are all in pairs. Hydrogen isn't a Lewis base because these bonding units are too secure to transfer under usual circumstances.
How can a Lewis acid be recognized?Each Lewis acid-base reaction has an acid and a base. Strategy: Find the reactant that lacks an electron and the reaction that can donate an electron pair in each equation. The Lewis acid is the electron-deficient molecule, while the other is the
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Consider these chemical equations. N2(g) + 3H2(g) → 2NH3(g) C(s) + 2H2(g) → CH4(g) 4H2(g) + 2C(s) + N2(g) → 2HCN(g) + 3H2(g) Which equation(s) do you need to reverse in order to calculate the overall equation for the formation of HCN and H2 from NH3 and CH4?Check all that apply. N2(g) + 3H2(g) 2NH3(g) C(s) + 2H2(g)CH4(g) 4H2(g) + 2C(s) + N2(g) 2HCN(g) + 3H2(g)
The equations that must be reversed to produce the overall equation are equations 2 [tex]C+2H_{2} -- > CH_{4}[/tex] and equation 1 [tex]N_{2} + H_{2} -- > 2NH_{3}[/tex]. As a result, options A and B are accurate.
In the chemical symbolization, the chemical equation is defined as the reaction for the production of products. The production of the consequent reaction has occurred from the inclusion of many stages in the proper sequence.
Chemical formulas
The chemical equations are shown in the accompanying figure.
The ultimate reaction to be obtained is depicted in the accompanying picture.
Methane and ammonia were the reactants for the production of carbon and hydrogen in the following process.
Methane was on the product side in equation 2, while ammonia was on the product side in equation 1.
Thus, in order to reach the overall equation, equations 2 and 1 must be inverted. As a result, options A and B are accurate.
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determine the number of moles of sodium in 3.148e22 atoms of sodium metal
Answer: 4.980e90
Explanation:
Complete the subscripts on the following equations.
Psolvent = X solvent x Po
Psolute = X x P
Psolvent = (1-X )x Po
AP = P° solvent Psolvent = X x Po
The total pressure of the solution is equal to the pressure of the solvent.
What is solute?Solute is a substance that is dissolved in a solvent to form a solution. It is the component of the solution that is present in the lesser amount compared to the solvent. In a solution, the solute is the substance that is being dissolved, while the solvent is the substance in which the solute is being dissolved. For example, when sugar is dissolved in water, the sugar is the solute and the water is the solvent. The solute is typically the minor component of the solution and can be a solid, liquid, or gas.
The above equations explain the relationship between the pressure of the solution (AP) and the pressure of the solvent (P° solvent) and solute (P° solute). The subscripts X and (1-X) represent the mole fractions of the solvent and solute, respectively. X is the mole fraction of the solvent present in the solution, while (1-X) is the mole fraction of the solute present in the solution. The total pressure of the solution (AP) is equal to the sum of the pressure of the solvent (X x Po) and the pressure of the solute ((1-X) x Po). This equation can be simplified to AP = Po (X + (1-X)). Since X + (1-X) = 1, the equation simplifies to AP = Po. This equation indicates that the total pressure of the solution is equal to the pressure of the solvent.
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What is the molarity when 24 grams of lioh is added to 200 ml of water?
24 grams of lioh is added to 200 ml of water the molarity is 8M.
What is meant by molarity?
The amount of a substance in a specific volume of solution is known as its molarity (M). The number of moles of a solute per liter of a solution is known as molarity.The molar concentration of a solution is another name for molarity.A chemical species' concentration in a solution, specifically the amount of a solute per unit volume of solution, is measured by its molar concentration.The number of moles per liter, denoted by the unit symbol mol/L or mol/dm3 in SI units, is the most often used unit denoting molarity in chemistry.One mol/L of a solution's concentration is referred to as one molar, or 1 M.molarity = 8M
Given weight = 24g
molar mass of lithium hydroxide = 7+16+1=24g
volume = 200ml
= 0.25ml
Number of mole (n) = given weight /molar mass of lithium hydroxide
n = 24/24
=1
Molality = Number of mole (n) /volume of solvent
molality = 0.25L / 1
= 8M
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Cite the evidence that indicates that only physical changes occur when a platinum wire is heated in a Bunsen burner flame. (More than one answer may be correct.) O A new substance was formed after heating the wire. O The wire changed color during the heating, O No change in the composition of the platinum could be detected. O The original appearance was restored when the wire cooled e Textbook and Media
Evidence that indicates that only physical changes occur when a platinum wire is heated are option B: the wire changed color and option D: original color was restored.
In a physical change, the substance's shape or appearance changes, but the type of matter it contains stays the same. In contrast, when matter undergoes a chemical transformation, at least one new substance with novel features is created. When platinum wire is heated in a burner flame, its look changes from silvery metallic to flaming red, which is an example of a physical transformation. However, cooling the platinum will return it to its natural appearance.
Platinum has a very low reactivity, therefore unlike many other metals, it does not react with air oxygen to generate a metallic oxide. It is only a physical alteration because heating doesn't result in any chemical changes.
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then write the lewis structure for Ne. draw the particle by placing atoms on the grid and connecting them with bonds. include all lone pairs of electrons and nonbonding electrons
Neon: Ne, Z=10=10e-=152 2S2 2p The Structural formula for Ne looks like this. Lewis structures use the chemical symbol for each atom to show where it is located within the molecule's structure.
How are Lewis structures drawn, and what are they?
The distribution of valence electrons around the atoms of a molecule is depicted in a Lewis diagram. While lone electron pairs are depicted as dots beside each other atoms, shared electron pairs are shown as lines between them.
Describe Lewis's structure with an example.
The octet rule, which states that atoms share electron so that each has eight in its outer shell, is the foundation of a Metal lattice. For instance, the outer shell of an oxygens has six electrons.
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Determine the enthalpy of solution for a solid with ΔH values as described in each scenario.
- a solid with ΔH values of approximately equal magnitude for each of the steps involved in the solution formation process.
- a solid with ΔH values for the breaking of attractions that are three times the magnitude compared to forming of attractions
- a solid with ΔH values for the breaking of attractions that are one third the magnitude compared to forming of attractions
Chemistry is the name of the scientific discipline that examines molecules and chemical bonds. There are two different kinds of solutions: acidic and basic.
The precise response is stated and is given.
Box 1, with a positive value for the H solution (endothermic)
Box 2's H value is zero, and Box 3's H solution has a negative value (exothermic)
What is enthalpy of heat?The amount of heat exchange between a system and its surroundings is measured by the delta H reaction (H). H can be either positive (endothermic, which requires heat), or negative (exothermic, which releases heat). How much heat is produced or absorbed during the dissolution process determines the enthalpy of solution formation. It can therefore be either negative (exothermic) or positive (endothermic).
The correct answer is mentioned as described:
Box 1, the value of ΔH solution is positive (endothermic)
Box 2 ΔH value = 0 and ,
Box 3 ΔH the value of ΔH solution is negative (exothermic)
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Try Again Your answer is incorrect. • Compound COCO3. Your answer is incorrect. • Compound NiSO4: Your answer is correct. It is traditional to write the number part of the charge first in an ion symbol.• Compound CrS: Your answer is correct. It is traditional to write the number part of the charge first in an ion symbol. • Compound VBrz: Your answer is correct. It is traditional to write the number part of the charge first in an ion symbol. Complete the table below by writing the symbols for the cation and anion that make up each ionic compound. The first row has been completed for you. ionic compound cation anion Naci Na a x 5 ? Coco, co? Ni Niso som Crs V Bry Br Explanation Recheck
molecule NiSO4 The response is accurate. In an ion symbol, the number component of the charge is often written first. Combination CrS: Your response is accurate.
Compound types: what are they?Different Compounds
Salts and molecular compounds are the two categories into which compounds can be divided. Covalent bonds hold the atoms together in molecular molecules. Ionic bonds hold it together in salts. Every compound is composed of one of these two types of bonds.
What makes water a compound, and why?Because it is composed of molecules of water, water is a compound. Water atoms don't actually exist. Atoms of hydrogen gas make up water molecules in a certain ratio of two hydrogen atoms to one oxygen atom.
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predict whether aqueous solutions of the following compounds are acidic, basic, or neutral.
Based on the products formed when they react with water, the following is true:
AlCl₃ - Acidic.
NaBr - Neutral.
NaClO - Acidic.
3CH₃NH₃NO₃ - Acidic.
Na₂SO₃ - Basic.
What is compounds?A chemical compound is a substance made of numerous identical molecules joined by chemical bonds and containing atoms from various chemical elements. Therefore, a molecule composed entirely of one element's atoms is not a compound.
Here,
given set of solution:
(a) AlCl3
(b) NaBr
(c) NaClO
(d) 3CH3NH34NO3
(e) Na2SO3
AlCl3 produces hydrochloric acid, a potent acid, when it reacts with water. The mixture is going to be acidic.
When NaBr reacts with water, it creates Sodium Hydroxide, a powerful base, and Hydrobromic acid, a powerful acid. They will balance each other out because they are both powerful, leaving a neutral result.
Sodium Hydroxide, a weak acid and a strong base, are the products of NaClO. The solution will be simple.
Nitric Acid, a strong acid, and a weak base will be produced by 3CH3NH3NO3, making the solution acidic.
Na2SO3 would generate Sodium Hydroxide, a strong base, and a weak acid, making the solution basic.
The following is true based on the products formed when they react with water:
Acidic AlCl3.
NaBr is a neutral compound.
NaClO is an acidic compound.
3CH3NH3NO3 is an acidic compound.
Na2SO3 is a basic.
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Use the information in the square to answer the questions about copper. A purple box has C u at the center and 29 above. Below it says copper and below that 63.55.How many protons are in an atom of copper
The number of protons in an atom of copper is 29.
It can be determined from the element symbol, Cu, which stands for Copper. The atomic number of an element is the number of protons in the nucleus of an atom of that element and is typically located above the element symbol. In this case, the atomic number of copper is 29, as indicated by the number 29 above the element symbol Cu. This is the information provided in the square.
Additionally, we can calculate the number of neutrons by the given information.
The number of neutrons= Mass number - Atomic number.
In this case,
The number of protons in Cu= 63 - 29 = 34.
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According to Boyle's Law, the volume of a gas varies directly with its pressure when temperature is held constant.
According to Boyle's Law, the volume of a gas varies directly with its pressure when the temperature is held constant. The above statement is true statement.
Boyle's law is a fundamental law of chemistry that describes the behavior of gases kept at a constant temperature. Discovered by Robert A. Boyle in 1662, this law states that at a constant temperature, the volume of a gas is inversely proportional to the pressure exerted by it. Boyle observed that the product of pressure and volume is approximately constant. The product of pressure and volume is exactly constant for an ideal gas. p * V = constant. This pressure-volume relationship is named after Boyle's law. Boyle's law, also known as Marriott's law, is the relationship that governs the compression and expansion of gases at a constant temperature.
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Complete and balance the following equation: H2O2(aq)+ClO2(aq)→ClO2−(aq)+O2(g) (basic solution) Express your answer as a chemical equation. Identify all of the phases in your answer. H2O2(aq)+2ClO2(aq)+2OH−(aq)→O2(g)+2ClO2−(aq)+2H2O(l) What is the oxidant and reductant?
H2O2 is the reductant and ClO2 is the oxidant.
What does the term "reductant" mean?A material used in photography to reduce the density of a negative or print by oxidizing part of the free silver; capable of reducing another substance as it itself is oxidized. alternatives: reducing agent, reducer.
What do the terms "reducing agent" and "reductant" mean?A reducing agent is a material that, in a redox process, loses electrons to other substances and undergoes oxidation to a higher valency state. One of the reactants of an oxidation-reduction process is a reducing agent, which decreases the other reactant by discharging electrons to it.
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A chemist wants to find Kc for the following reaction at 736 K:2NH3(g) + 3 I2 (g) LaTeX: \Longleftrightarrow ? 6HI(g) + N2(g) Kc = ?Use the following data at 736 K to find the unknown Kc:(1) N2(g) + 3 H2(g) LaTeX: \Longleftrightarrow ? 2 NH3(g) Kc1 = 0.318(2) H2(g) + I2(g) LaTeX: \Longleftrightarrow ? 2 HI(g) Kc2 = 55Enter to 0 decimal places.
Kc for the reaction [tex]2NH3(g) + 3 I2 (g) LaTeX: \Longleftrightarrow ? 6HI(g) + N2(g)[/tex]at 736 K is 87000
To find the Kc of the given reaction at 736 K, we can use the equilibrium constant expression for the reaction and the given Kc values for the two related reactions.
The equilibrium constant expression for the reaction at 736K is:
[tex]Kc = [HI]^6 * [N_2] / [NH_3]^2 * [I_2]^3[/tex]
We can then use the given Kc values for the two related reactions to find the Kc of the given reaction:
[tex]Kc1 = [NH_3]^2 / [N_2] * [H_2]^3[/tex] = 0.318
[tex]Kc2 = [HI]^2 / [H_2] * [I2][/tex] = 55
We can then substitute the Kc1 and Kc2 values into the Kc expression for the given reaction and solve for Kc:
Kc = ([tex]Kc1 * Kc_2^3[/tex]) = 0.318 * 55^3 = approximately 8.7 x 10^4
So, Kc = 87000
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A tudent wa determining the texture of a oil but took the 2 hour reading 30 minute late. The tudent will probably over etimate the amount of in the ample
The student's knowledge is limited to the fact that the sample is not a heterogeneous combination.
What is mean by ample?In terms of size, scope, or capacity, generous or superior. There was space for a sizable garden—generously enough to meet a demand or necessity. Its root word, amplus, means "big," "broad," or "spacious" in Latin. The roots of the terms amplitude and amplify are identical. Although the word "amplitude" can also refer to the state of being ample, it is normally employed in technical and scientific measures in a more particular manner.
What is ample used for?Ample refers to sufficient or appropriate amounts. It can also be used to denote abundance or plenty—more than enough. It is frequently used to denote that there is enough or more than enough of what is required in the context of things like time, place, space, supplies, or resources (such food and money).
The sample of material provided to the student is said to be uniform in both color and texture. The makeup of a homogeneous sample is uniform, and it's probable that this one is as well. The composition of a compound is uniform, and this sample might be one. Additionally, an element has a consistent composition, hence the sample might be an element. Last but not least, a heterogeneous sample is one that does not have a uniform makeup; as a result, this sample is unquestionably not heterogeneous.
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which represents the balanced nuclear equation for the beta minus decay of co-60?
A) 6/2He -> 6/3Li + 0/-1e
B) 60/27 Co -> 60/28Ni + 0/-1e
C) 32/15P -> 32/16S + 0/-1e
D) 15/8O -> 15/7N + 0/1e
The balanced nuclear equation for the beta minus decay of co-60 will be
60/27 Co -> 60/28Ni + 0/-1e.
Nuclear reaction are the processes in which one or more nuclides are produced from the collisions between the two atomic nuclei or the one atomic nucleus as well as a subatomic particle. The nuclides produced from nuclear reactions will be different from the reacting nuclei (commonly referred to as a parent nuclei).
In a nuclear reaction, the atomic number is conserved as well as the mass number will be conserved.
Therefore, 60 = A+0 ⇒ A = 60
Also, 27 = Z + (-1) ⇒ Z = 28
Thus, the element of x will be 60/28Ni.
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which term best describes filling a tank and treating the water or preparing a chemical solution before the tank is emptied and ready to repeat the process?
The term "activated sludge" refers to the process of filling a tank with water or a chemical solution, treating it, and then emptying the tank so the process can be repeated.
A biological floc made up of bacteria and protozoa is used in the activated sludge process, a form of biological wastewater treatment method, to treat sewage or industrial wastewaters. According to WEF, the term "activated sludge" describes a flocculent culture of organisms grown in regulated circumstances in aeration tanks. Activated sludge often has a brown hue. Waste activated biosolids or waste activated solids are other names for activated sludge. The activated sludge method can be employed in a sewage (or industrial wastewater) treatment facility for one or more of the following goals: biological matter is oxidizing carbonaceous stuff.
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Blood is buffered by carbonic acid and the bicarbonate ion. Normal blood plasma is 0.024M in HCO3 and 0.0012M H2CO3 (pKa1 for H2CO3 at body temperature is 6.1). What is the pH of blood plasma? Given the volume from part B, what mass of NaOH could be neutralized before the pH rose above 7.8?
Carbonic acid and also the boric acid act as blood buffers. HCO₃ ratios in blood cell plasma are 0.024 and 0.002, resp. Plasma has a pH of 7.4, HCl weighs 0.3 grammes, and NaOH weighs 0.14 grammes.
Where is carbonic acid located?Blood as in human contains carbonic acid. It is created in the woman's skin when water and carbon dioxide dissolve. Additionally, it may be found in erythrocytes, sulphur layers, salts, caverns, calcite, fermentation, coal, freshwater, meteorites, volcanoes, amino acids, and proteins.
From the given information;
pKa1 for H₂CO₃(carbonic acid) at body temperature is 6.1
HCO3 in normal blood plasma equals 0.024 M
H₂CO₃ in normal blood plasma is 0.0012 M
Bicarbonate ions and hydronium ions are created when carbonic acid dissociates in water.
[tex]\mathrm{H}_2 \mathrm{CO}_{3(\mathrm{aq})}+\mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{H}_2 \mathrm{CO}_3^{-}(\mathrm{aq})+\mathrm{H}_3 \mathrm{O}_{(\mathrm{aq})}^{+}[/tex]
By applying Henderson equation;
[tex]\begin{aligned}& \mathrm{pH}=\mathrm{pKa}_1+\log \frac{\left[\mathrm{HCO}_3^{-}\right]}{\left[\mathrm{H}_2 \mathrm{CO}_3\right]} \\& \mathrm{pH}=6.1+\log \frac{[0.024]}{[0.0012]} \\& \mathrm{pH}=6.1+1.30 \\& \mathrm{pH} \text { of blood plasma }=7.4\end{aligned}[/tex]
B). Assuming that (x) is the number of HCl that also was added based on the question, the salt interacts once more to form carbonic acid.
Using the Henderson-Hasselbalch equation as a guide:
[tex]\begin{aligned}& \mathrm{pH}=\mathrm{pK} \mathbf{a}_1+\log \frac{[\text { salt }]}{[\text { acid }]} \\& 7=6.1+\log \frac{[0.024 \times 5-\mathrm{x}]}{[0.0012 \times 5+\mathrm{x}]} \\& 0.9=\log \frac{[0.024 \times 5-\mathrm{x}]}{[0.0012 \times 5+\mathrm{x}]}\end{aligned}[/tex]
Using logarithm rules;
[tex]\begin{aligned}& 10^{0.9}=\frac{[0.024 \times 5-x]}{[0.0012 \times 5+x]} \\& 7.94=\frac{[0.024 \times 5-x]}{[0.0012 \times 5+x]} \\& 7.94=\frac{[0.12-x]}{[0.006+x]}\end{aligned}[/tex]
(0.12 - x) = 7.94(0.006 + x)
0.12 - x = 0.04764 + 7.94x
0.12 - 0.04764 = 7.94x +x
0.07236 = 8.94x
x = 0.07236/8.94
x = 0.008 moles
Recall that:
number of moles = mass/molar mass
molar mass of HCl is equal to the amount of moles of HCl.
mass of HCl = 0.008 moles × 36.5 g/mol
mass of HCl = 0.3 grams
C). Used this 5.0 L of body that a typical adult human possesses in part B, it is possible to estimate the number of milligrams of the buffer component as follows:
[tex]\begin{aligned}& \mathrm{n}_{\mathrm{HClO}_3^{-}}=5 \mathrm{~L}(0.024 \mathrm{~mol} / \mathrm{L}) \\& \mathrm{n}_{\mathrm{HClO}_3^{-}}=0.12 \mathrm{~mol} \\& \mathrm{n}_{\mathrm{H}_2 \mathrm{CO}_3}=5 \mathrm{~L}(0.0012 \mathrm{~mol} / \mathrm{L}) \\& \mathrm{n}_{\mathrm{H}_2 \mathrm{CO}_3}=0.0060 \mathrm{~mol}\end{aligned}[/tex]
Suppose, (x) moles of NaOH could be neutralized by H₂CO₃;
Then, at equilibrium:
[tex]\begin{aligned}\mathrm{n}_{\mathrm{HClO}_3^{-}} & =0.12+\mathrm{x} \\\mathrm{n}_{\mathrm{H}_2 \mathrm{CO}_3} & =0.0060-\mathrm{x}\end{aligned}[/tex]
By the application of the Henderson-Hasselbalch equation:
[tex]\begin{aligned}& \mathrm{pH}=\mathrm{pKa}_1+\log \frac{\left[\mathrm{HCO}_3^{-}\right]}{\left[\mathrm{H}_2 \mathrm{CO}_3\right]} \\& 7.4=6.1+\log \frac{0.12+\mathrm{x}}{0.0060-\mathrm{x}}\end{aligned}[/tex]
Making (x) the subject of the form
[tex]\begin{aligned}& 1.3=\log \frac{0.12+x}{0.0060-x} \\& x=0.0035 \text { moles }\end{aligned}[/tex]
Recall that:
number of moles = mass/molar mass
For NaOH,
mass = number of moles of NaOH × molar mass
mass of NaOH = (0.0035 moles × 40 g/mol )
mass of NaOH = 0.14 g
Thus, we may deduce that the blood plasma's pH is 7.4, its HCl content is 0.3 grammes, and its NaOH content is 0.14 grammes.
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Question 1 (1 point) The form of amino acid is a dipolar ion that carries both positive and negative charge. cationic anionic zwitterionic none of these
The zwitterionic form of an amino acid is just a dipolar ion that possesses both negative and positive charges.
Describe Zwitterion.a molecule with both both negative and positive charges filed on some of its atoms, but a net procedural charge of zero. One or more intended to commit are required to bind the charged atoms together. NaCl & NH4Cl are not zwitterions because the charged protons are not physically bound to one another.
Is zwitterionic a good or bad thing?Zwitterions have a neutral overall charge and contain both positive and negative charged groups. The usage of such compounds as friendly coverings for materials was motivated by the zwitterionic properties of cell membranes. A basic methyl group or an corrosive carboxylate group are both present in amino acids.
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Determine the position in the tube where the white ring of solid ammonium chloride (NH4Cl) will form.
When the two gases come together, an NH4Cl white ring will develop. Let x be the HCl's journey distance. The distance covered by the NH3 is thus equal to 1.463x. So, the white ring will form 0.8 m away from the HCl end.
Explain the white ring of solid ammonium chloride?The junction of the two gases within the tube develops a white ring of solid ammonium chloride. Use transparent plastic to cover an overhead projector's non-glass surfaces if necessary. Put a second cotton swab in concentrated aqueous ammonia and a Q-tip in concentrated hydrochloric acid (HCl) (NH3).Because hydrogen chloride diffuses more slowly than ammonia, the ring often develops closer to the hydrochloric acid end of the tube. This is the case because the rate of diffusion is inversely related to the square root of the gas's molecular mass and hydrogen chloride has nearly twice the molecular weight of ammonia.Because ammonia particles are lighter than hydrogen chloride particles and move more quickly, the white ring of ammonium chloride develops closer to the hydrochloric acid end.Learn more about solid ammonium chloride refer to :
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13 electrons are total in an element, what is it's quantum number.
Answer:
Explanation:
The quantum number of an element with 13 electrons is 2. The first quantum number, n, is the principal quantum number and describes the energy level of the electron. In this case, the principal quantum number of the element with 13 electrons is 2, meaning that the electrons are in the second energy level. The second quantum number, l, describes the shape of the orbital. In this case, the second quantum number is 1, meaning that the orbital is an s-orbital. The third quantum number, ml, describes the orientation of the orbital. In this case, the third quantum number is -1, 0, or +1, meaning that the orbital is oriented in the -x, 0, or +x direction. The fourth quantum number, ms, describes the spin of the electron. In this case, the fourth quantum number is +1/2 or -1/2, indicating that the electron has either a clockwise or counter-clockwise spin.
A student is given a sample of a pure, white crystalline substance. Which of the following would be most useful in providing data to determine if the substance is an ionic compound
The electrical conductivity of a substance's aqueous solution is tested if the substance is an ionic compound.
An ionic substance is one that is formed as a result of the transfer of electrons (s) from one atom to another of the combining species.
When a metal and a nonmetal chemical react, an electron is always transferred from the metal to the nonmetal. As a result, an ionic bond is always formed between a metal and a nonmetal. Water is a polar substance, and polar or ionic substances dissolve easily in it. When an ionic compound dissolves in water, it dissociates into ions. And, because electricity is the flow of ions or electrons, an ionic solution in water can conduct electricity.
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how many valence electrons total would be contained in a sample of 4.78 million kg of sulfur
The total number of valence electrons contained in a sample of 4.78 million kg of sulfur would be 5.3078 x [tex]10^{32[/tex] valence electrons.
Number of atoms in a mass of a sampleAccording to Avogadro, 1 mole of any substance contains 6.022 x [tex]10^{23[/tex] atoms.
4.78 million kg of sulfur = 4,700,800 kg = 4,700,800,000 grams
Mole = mass/molar mass
Mole of 4,700,800,000 grams sample of sulfur = 4,700,800,000/32
= 146900000 moles
146900000 moles = 146900000 x 6.022 x [tex]10^{23[/tex] atoms
= 8.8463 x [tex]10^{31[/tex] atoms
Now each atom of sulfur contains 6 valence electrons. Thus, total number of valence electrons would be:
6 x 8.8463 x [tex]10^{31[/tex] = 5.3078 x [tex]10^{32[/tex] valence electrons
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