O svog to some incrimelor oth W *H3N-CH-C-OH CH-CH3 CH3 5. The structure of amino acid valine (Val) is as follows: The pKa for the carboxylic acid group is 2.29; the pKa for the protonated amine group is 9.74. What is the pl value of Val?

Q: (SHOW CALCULATIONS) The Environmental Protection Agency sets limits for fluoride in drinking water…

A: To solve this problem, we have to know about ppm concentration and molarity.

Q: compound I compound II Il Classify the pair of compounds. They are enantiomers. diastereomers.…

A: According to the given structure we have to decide the relationship between two isomers. 1. The best…

Q: A substance, X, has the following properties. AH vap AH fus bp mp Specific Heat Capacities C(s) C(1)…

A: The question is based on the concept of Hess's law.   It states that the net enthalpy change during…

Q: When 68.7 grams of N₂H. (32.0 g/mol) are reacted with 108 grams of O2 (32 g/mol) according to the…

A: Moles of N2H4 are obtained by dividing the mass of N2H4 with the molar mass of N2H4 . moles of N2H4…

Q: what is the product produced when 2-methyl-3-bromohexane reacts with tert-butoxide

A:

Q: A sample compound is 46.7% oxygen, 51.7% chlorine, and 1.5% hydrogen. What is the empirical formula…

A:

Q: Which metal ion (Cu²+, Ni2+, Fe³+) had the largest surface area? Suggest a reason why?

A: A question based on atoms. 3 ions are given whose surface area are to be compared and explained with…

Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.332…

A: Given,Mass of solute = 1.79 gMass of water = 64.3 gfreezing point of the solution = -0.332°C

Q: a) This alkene can be prepared via Wittig reaction. Draw structural formulas for the aldehyde and…

A: A question based on reactions of aldehyde. Structure of a product alkene is given whose aldehyde…

Q: Consider the following reactions. (a) C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4H₂O(g) AH rxn = -2044 kJ…

A: we need to consider the Gibbs free energy change (ΔG) for each reaction. The Gibbs free energy…

Q: How many valence electrons do the atoms in the circled column have? 3 Na Sodin Be Umum yan Posu Rb…

A: The elements in Group 17 of the periodic table, also known as the halogens, have seven valence…

Q: 10 attempts left Be sure to answer all parts. Give the IUPAC name for the following compound.…

A:

Q: Researchers tried to explain how vesicular transport occurs in cells by attempting to assemble the…

A: a) motor proteins Vesicular transport within cells typically occurs with the help of motor proteins,…

Q: When 68.7 grams of N₂H4 (32.0 g/mol) are reacted with 108 grams of O2 (32 g/mol) according to the…

A: Mass of N2H4 = 68.7 g Molar mass of N2H4 = 32.0 g/mol Mass of O2 = 108 g Molar mass of O2 = 32.0…

Q: Draw the product formed (after dehydration) in the crossed aldol condensation of (C6H-CH₂CHO) with…

A: Aldol condensation:  Aldehydes or ketones having α-hydrogen atom undergo condensation in the…

Q: 9. For the information NHƯg) H₂(g) -2H(g) N₂(g) 2N(g) AH" -1172.8 kJ AH-435.930 kJ AH-945.408 kJ the…

A:

Q: Suppose the galvanic cell sketched below is powered by the following reaction: Mn(s) + CuCl₂(aq)…

A: We have find out the solution.

Q: Provide the necessary reagents to complete the following reaction. CH3 H3C H₂C _OH CH3 H₂C- CH3 CH₂

A: A question based on reactions of alcohol. An alcohol reactant and the ether product are given whose…

Q: Carry out the following conversions. Report your answers to the correct number of significant…

A: Dimensional analysis is used to convert a physical quantity given in one type of unit to some other…

Q: The reaction between hydrogen and iodine can be represented by the following equation: H2(g) + 12(g)…

A: The rate of a chemical reaction depends on the concentration of reactants or products. Expressing…

Q: Compare the 13C NMR spectra of isoborneol and camphor. Explain which peaks can be used to determine…

A: 13 C NMR spectroscopy is useful to determine types of carbons, their signals, splitting etc hence we…

Q: What is the pH of a saturated solution of Ca(OH)₂? Ca(OH)₂ (s) Ca²+ (aq) + 2 OH- (aq) Ksp = 3.7 x 10…

A: Solubility reaction:- Ca(OH)2(s) -------------> Ca2+(aq)  +  2OH-(aq) Ksp = 3.7×10-6

Q: Show what alcohols and carbonyl compounds give the following derivatives. a mechanism for the…

A: Carbonyl compounds has electrophilic center and alcohol has nucleophilic character hence, alcohol…

Q: hen Don Showalter used the pH meter electrode, what was the pH of the liquid when the Hydronium…

A: PH = -logH3O+  Where H3O+ is concentration of hydronium ion or hydrogen ion

Q: The number average molecular weight of polymer A reaches 16000 g/mol at the percent conversion of 92…

A: To calculate the stoichiometric imbalance factor in this polymerization, we first need to determine…

Q: Consider the following acid-catalyzed hydration reaction: Which of the following ions are…

A:

Q: Draw the structural formula of the product that would form when 1-methylcyclopentene undergoes…

A: Alkenes and cycloalkenes are hydrogenated by the reaction with hydrogen in the presence of finely…

Q: Question 5: compute for the isoelectric point of L-Y-D-S-L-D. Show a complete and detailed solution.

A: The given peptide is: L-Y-D-S-L-D.  L = Leucine   Leu Y= Tyrosine  Tyr D = Aspartic acid Asp S =…

Q: At a specific temperature, the reaction 2 NO (g) = N2 (g) + O2 (g) has Kc = 4.0. If the initial…

A: The equilibrium reaction is 2NOg ⇌ N2g + O2g. At a specific temperature, the equilibrium constant of…

Q: The location of point A in the diagram is the Pressure Otriple point O sublimation point Omelting…

A: In the given diagram, The violet region represents solid. The green region represents liquid. The…

Q: What is the fundamental principle underlying the phenomenon of quantum tunneling, and how does it…

A: Introduction: Quantum tunneling is a remarkable phenomenon in which particles can pass through…

Q: Estimate the pH of 0.10 M H₂SO4, Ka1 large, Ka2 = .012

A: Detail

Q: 3. The decomposition of hydrogen iodide has an equilibrium constant of 1.84 x 102. What is the…

A: Rules for writing equilibrium constant expression for an equilibrium reaction are :  Equilibrium…

Q: Draw the structure of the major organic product of the reaction. مله + H3C- -NH₂ • You do not have…

A: The nucleophilic substitution reaction are one in which nucleophile attacks on electrophile which…

Q: Part A Give the IUPAC and common names (if any) for the following compound: CH3 T N-CH₂-CH3 Enter…

A: Primary amines are the amines in which the nitrogen atom is linked to one alkyl group and has two…

Q: A solution is 0.010 M in both Br- and SO42-. A 0.250 M solution of lead (II) nitrate is slowly added…

A: we need to find the solubility product constant (Ksp) for the precipitation reaction and calculate…

Q: uppose the galvanic cell sketched below is powered by the following reaction: 2 Fe(s) + 3 Pd…

A: Galvanic cell is type of cell that converts chemical energy into electrical energy via spontaneous…

Q: HOW DO WE GET THERE? Determine the molality of C3H8O3. MC3H8O3 = mol/kg

A: As we know,   Depression in freezing point, ∆Tf is equal to  ∆Tf  = Tf° - Tf = i * Kf * m Where Tf°…

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free…

A: Given,The cell reaction:N2H4(aq) + 4 OH-(aq) 4 Cu2+(aq) → N2(g) + 4H2O(l) + 4 Cu+(aq)From the ALEKS…

Q: b NH2 O N-methylhexanamide 2-amino-N,N-diethylbenzamide 2-amino-N-methylbenzamide O…

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: When 1.44 g C3H8 and 2.65 g O2 react to form CO2 and H2O,  Write the balanced chemical equation…

A:

Q: The charge in the cell is raised until a reaction is achieved Given the following half equations:…

A: “Since you have asked multiple question, we will solve the first three questions for you. If you…

Q: Use the equation below to calculate the following: 2 NaOH(aq) + H₂SO4(aq) (a) the moles Na2SO4…

A: The reaction given is 2 NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2 H2O(l)

Q: 10. The reaction of toluene, C7H8, with potassium permanganate, KMnO4, gives less than a 100% yield.…

A:

Q: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R E= In…

A: Given,An electron of hydrogen transition from an orbital n=6 to an orbital n=1The energy ( E)…

Q: how to I convert 10mg/L (10ppm) of nitrate (NO3-) to molar mass of nitrate?

A: 1 ppm=1 mg/L  (Given) 10 ppm=10 mg/L = 10 * 10(-3) g/L = .01 g/L At NTP, 1mol = 22.4L => 1L =…

Q: Draw the major organic product(s) for the following reaction. Multiple products may be drawn in one…

A: The given reaction is shown below We have to draw the major products of the above reaction.

Q: Determine the molarity (M) of the following solutions: 1.50 mol of NaOH in 1000. mL total volume of…

A: moles of NaOH = 1.50 mol Volume of the solution = 1000. mL = 1 L molarity of the solution = ? M

Q: For the following reaction: H3PO4+3 KOH- →K3PO4 + 3 H₂O (1) What is the equivalent mass of H3PO4?…

A: Mass of H3PO4 = 35.1 gram  For an acid basicity is defined as the number of H+ ions given by an…

Q: Correct each molecule in the drawing area below so that it has the structure it would have if it…

A: In the above question we have given two drawings, one contain carboxylic acid functional group and…