Which molecule has the lowest pk₂? (Your answer may include more than one of the choices if the molecules shown have the same value.) A 00 D с B H C H

Q: Question 10 of 11 A pentapeptide has the abbreviation "GREAT". Draw the peptide and give its…

A: Peptides are the compounds in which an amide bond links the amino group of one alpha amino acid and…

Q: The percent by mass of phenol (MM = 94.11 g/mol) in an aqueous solution is 10.9%. What is the…

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Q: (c) Mathematically determine the ro and Eo values using the solutions to Problem 2.18 and compare…

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Q: points A 0.1938 g of an organic compound known to contain C and H only was burned. The traps for H2O…

A: molar mass of CO2 = 44 g/mol  moles of CO2 = 0.5972 g /44 g/mol = 0.0136 moles CO2 mole ratio of…

Q: hydrogen sulfide H2S is a foul smelling gas. it burns to form sulfur dioxide 2H2S(g) + 302(g) -›…

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Q: You are running a CC with a mixture of the following compounds: A OH #2 B OH Organize the compounds…

A: CC means coloum chromatography

Q: For the following reaction, 4.50 grams of carbon dioxide are mixed with excess potassium hydroxide.…

A: Mass of CO2= 4.50 gm  Actual yield=  11.4 gm  Calculale theoretical yield= ? Calculate % yield= ?

Q: Use a Grignard reaction to prepare the following alcohols: (a) 2-Methyl-2-propanol (b)…

A: Grignard Reaction is the addition of an organomagnesium halide to a ketone or aldehyde resulting in…

Q: Which monatomic ions would you expect radium  (Z = 88)  and selenium  (Z = 34)  to form?

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Q: The formula for the ideal gas law is.... PT = nRV V1/T1 = V2/T2 PV =…

A: Given PT = nRV   ;  V1 / T1 = V2 / T2 PV = nRT   ;  P1 × V1 = P2 × V2

Q: What is the elevation of the boiling point (in °C) of a glucose solution, if the solution contains…

A: Here the solute is glucose and the solvent is water.  We use the below formula to find the elevation…

Q: PS4-8. Which compound is more stable? Explain your reasoning by drawing the molecules in chair form.…

A: To determine the form stable compound, we will draw chair forms of both compounds.  For one…

Q: Gaseous ethane (CH,CH,) will react with gaseous oxygen (0.) to produce gaseous carbon dioxide (CO)…

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Q: 3. How many mL of ethyl alcohol can be distilled from 1.5 L of a 90 proof wine?

A: Given the concentration of wine = 90 proof  volume of wine taken = 1.5 L  Volume of wine in mL (1 L…

Q: Question (3 points) The common pain relievers - aspirin (C₂H8O4), acetaminophen (CH₂NO₂), and…

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Q: R = 0.08205 L atm mol-1 K-1 T(K) = T (°C) + 273.15 1 atm = 101,325 Pa = 1.01325 bar The…

A: Given data :

Q: What is the chemical formula for chromium(III) oxalate? Do not use any spaces (e.g., Ca3(PO4)2 would…

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Q: What is the strongest form of intermolecular interaction possible for propan-2-ol? O dispersive (van…

A: (10) Rf value: Rf value can be determined by the ratio of the distance which can be traveled by the…

Q: When using a volumetric flask, is it important to prepare solutions at room temperature? a.It's not…

A: The Answer of he following question is- The volumetric flask is a thin-necked pear-shaped…

Q: It requires 155 kJ/mol to break the chemical bond in F₂ molecules. Part 1 What is the longest…

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Q: 2. 3. 4. 5. Convert a length of 80,500 cm to km. 80,500 cm. tiket km Convert a mass of 19,500 mg to…

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Q: 58.8 g H₂SO4 (MM = 98 g/mol) is added to H₂O to make a 500 mL solution. If the density of the…

A: Molarity - Molarity is the measure of concentration. It can be defined as the number of moles of…

Q: 1. A 100 mL solution contains 4.7g MgCl₂ (MM = 94 g/mol). The density of the solution is 1.03 g/mL.…

A: 1) Given data is Volume of the solution= 100 mL  mass of MgCl2 = 4.7 g  Molar mass of MgCl2 = 94 g…

Q: Question 2 What volume (in mL) would 3.98x1022 Br₂ molecules occupy? The atomic mass of Br = 79.904…

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Q: 5. Assign the absolute configuration as Ror S to each chiral center in the molecule below: E K*****…

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Q: Conside'pothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some unknown…

A: Answer: Energy diagram of the reaction is given to us and we have to find out the value of heat of…

Q: Dinitrogen tetraoxide is a colorless gas that dissociates into nitrogen dioxide, a reddish brown…

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Q: If nicotine and acesulfame reacted to form a salt, what would be the ratio of nicotine to…

A: One molecule of Nicotine can accept 2 protons One molecule of Acesulfame can donate 2 protons

Q: 83. Sodium nitrate, NaNO3, cannot be analyzed gravimetrically because ...

A: Gravimetric analysis is analytical technique to determine the concentration of a compound of…

Q: which of the following has the largest entropy?

A: To answer: which of the following has the largest entropy? H2O (s) H2O (l) H₂O (g) H₂S (g) H2S (l)

Q: What product(s) would you expect from dehydration of the following alcohols with POCI3 in pyridine?…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: 2) What other species besides water are present in an aqueous solution of barium hydroxide? Ba+2(aq)…

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Q: For the following molecules What methods would you use to determine the structures of: 1.solution of…

A: To identify the methods for structure determination of the given compounds.

Q: What is the IUPAC name for the following molecule? Question 9 What is the IUPAC name for the…

A: To answer:  What is the IUPAC nomenclature of the following molecules?

Q: Identify the most acidic proton in the compound: d e 0: a b C d e b e

A:

Q: A 13.5 M solution of phosphoric acid has a density of 1.69 g/mL What is the equivalent concentration…

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Q: Which of the following is insoluble in water? A)Cu(OH)2 B)CuSO4 C)Cu(NO3)2 D)H2SO4 E)HNO3

A: Solution is made up of two components: solute and solvent. The component which is present in major…

Q: In the molecule caffeine, identify the hybridization states of all non-hydrogen atoms. Use the…

A: Hybridization is defined as inter mixing of orbitals having slightly different energy so as to…

Q: 2) Name and draw the (wedge and dash) structure for the following molecule Et 13 D CH3 H Et H CH37

A: The above given Newman projection can be converted into wedge-dash form either directly or by…

Q: How many single carbon-carbon bonds are in this molecule?

A: We know that, Valency of carbon is 4 because it contain 4 electron in its valence shell. Thus,…

Q: Calculate the density of a solid with mass 27.16g. The solid was placed in a measuring cylinder…

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Q: Acetone (C3H6O (1)) burns in oxygen according to the equation: 4 02(g) + C3H60(I) = 3 CO2(g) +…

A: we have to calculate the value of enthalpy of formation for C3H6O

Q: H₂C-C- 一房一房一角 NH

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)    Note :-…

Q: 1. What is the standard entropy for the given equation? Use the table as a reference.  2. What is…

A: R = 8.31447 J/mol.K Temperature = 298.15K ΔSo = Standard Entropy = ? ΔGo = Standard Gibbs energy = ?…

Q: If 4.18x10^22 atoms of element Y have a mass of 2.46g what is the identity of element Y

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Q: Ionization means an electron is completely removed from an atom. Complete removal occurs when…

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Q: a. Write the definition in formula form for pressure (symbols or words).     b. Using kinetic…

A: A. Pressure (P) is the force (F) exerted by the object in unit area (A). Pressure = force/ area P =…

Q: Given a series of substances: HBr, HSO4, CH3COOH, HCN, HCO3, what is the weakest base? O CO3 CN- Br-…

A: When an acid loses its acidic hydrogen then it forms a conjugate base. Generally the conjugate base…

Q: Consider the following reaction at 25 °C: Ba(OH) 8 H2O(s) + 2 NH,CI(s) — BaCl(s) + 2 NH3(g) + 10…

A:

Q: For hexane, what is the bond length? Are all C—C bonds the same length?

A: Organic chemistry is a branch of chemistry that deal with organic compounds. Organic compounds are…