Kindly answer 1-5. Thank you! 1. Which of the ff. is NOT true for K?It is dimensionless.b. It is independent on temperature.A reaction is spontaneous if K is greater than 1.d. Concentration of species in the expression is in molarity (M).а.с.e, All are correct2. If Ka for the acid is 2.51 x 10 at 25°C, what is the Kb of the conjugate base?а. 3.98 х 1010b. 3.98 x 10-10c. 2.51 x 10d. 2.51 x 10-19е.1.63 x 1053. What is the equilibrium-constant expression of the dissociation of H3ASO4 to H3O* and AsO43- ?[H30*] [As043-1Ка —а.[H3ASO4]d.Ka =[H30+]3 [As043-1[H3ASO4][H30+] [As043-]b.Ка —{H30+]3 {As043[H3ASO4][H20]е.Ka =[H30*]³ [AsO4³-]Ka =с.[H3ASO4]4. Given the reaction: PCI5(g) PCI3(g) + Cl2(g) (AH° = +87.8 kJ/mol).Which of the following changes will cause the concentration of Cl2 to decrease?%3DIncrease the temperature.b. Add more PCI5a.c. Compress the gas into a smaller volume.d.Remove PC33.Add a catalyst.с.e.5. Which of the ff. is NOT true about the activity coefficient?It increases as the concentration of electrolyte solution decreases.b. Higher activity coefficients correlate to lower ionic strength.c. It is the same for ions with the same charge.a.d. It departs away from unity as the charge of the ion increases.e. All are correctC.

An Equilibrium reaction is a reaction in which the rate of the forward reaction is equal to the rate…

1. Which of the ff. is NOT true for K? It is dimensionless. b. It is independent on temperature. c. A reaction is spontaneous if K is greater than 1. d. Concentration of species in the expression is in molarity (M). e, All are correct а. 2. If Ka for the acid is 2.51 x 10 at 25°C, what is the Kb of the conjugate base? 3.98 x 1010 b. 3.98 x 10-10 а. c. 2.51 x 10S d. 2.51 x 10-19 е. 1.63 x 105 3. What is the equilibrium-constant expression of the dissociation of H3ASO4 to H3O* and AsO, ? [H30) [AsO4³-] [H3ASO4] a. Ka = H3AS0,] [H30+]3 [AsO43-] d. Ka = [H3AS04] [H30+] [As043-] b. Ka = {H30)3 [As043-} [H3ASO4][H20] е. Ka = [H30*)° [As043-] с. Ka = [H3ASO4] 4. Given the reaction: PCls(g) = PC13(g) + Cl2(g) (AH° = +87.8 kJ/mol). Which of the following changes will cause the concentration of Cl2 to decrease? Increase the temperature. Add more PCI5 a. b. Compress the gas into a smaller volume. Remove PCI3. Add a catalyst. с. d. e. 5. Which of the ff. is NOT true about the activity coefficient? It increases as the concentration of electrolyte solution decreases. b. Higher activity coefficients correlate to lower ionic strength. c. It is the same for ions with the same charge. d. It departs away from unity as the charge of the ion increases. e. All are correct a.

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 100CWP