The ΔGf0 values for HCO3- (aq), CO32-(aq), and H+(aq) are -587.06, -528.10 and 0 kJ mol-1, respectively. What is the equilibrium constant for the following reaction at 298K?
HCO3- (aq) <---> CO32-(aq) + H+(aq)
a. -3.738
b. 4.629x10-11
c. 0.9765
d. 2.160x1010
e. 1.024x1014
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The ΔGf0 values for HCO3- (aq), CO32-(aq), and H+(aq) are -587.06, -528.10 and 0 kJ mol-1,...
9. Identify the Brønsted-Lowry acid in the following reaction. H20(1) + CO32- (aq) + HCO3 (aq) + OH-(aq) 10. The [H3O+] of a solution with pH = 8.7 is 11. Which of the following is a neutralization reaction? A) KCl (aq) + NaNO3(aq) → KNO3(aq) + NaCl(aq) B) HNO3(aq) + KOH(aq) → H20 (1) + KNO3(aq) C) H20(1) + SO3(g) → H2SO4 (aq) D) 4Na(s) + O2(g) → 2Na2O(s) E) 2NO2(g) → 2NO(g) + O2(g)
Identify the conjugate acid-base pairs in each of the following equations: 1) HF(aq)+CO32?(aq)?F?(aq)+HCO3?(aq) Check all that apply. a) F?/HCO3? b) HF/F? c) HF/CO32? d) HCO3?/CO32? 2) HCl(aq)+OH?(aq)?Cl?(aq)+H2O(l) a) HCl/OH? b) HCl/Cl? c) H2O/OH? d) H2O/Cl?
A- Identify the reactant that is a Brønsted−Lowry acid in the following reaction: CO32−(aq)+H2O(l)⇌HCO3−(aq)+OH−(aq) B- Identify the reactant that is a Brønsted−Lowry base in the following reaction: CO32−(aq)+H2O(l)⇌HCO3−(aq)+OH−(aq) Express your answer as a chemical formula. c- Identify the reactant that is a Brønsted−Lowry acid in the following reaction: H2SO4(aq)+H2O(l)→HSO4−(aq)+H3O+(aq) Express your answer as a chemical formula d- Identify the reactant that is a Brønsted−Lowry base in the following reaction: H2SO4(aq)+H2O(l)→HSO4−(aq)+H3O+(aq) Express your answer as a chemical formula.
A reaction A(aq)+B(aq)↽−−⇀C(aq)A(aq)+B(aq)↽−−⇀C(aq) has a standard free‑energy change of −3.76 kJ/mol−3.76 kJ/mol at 25 °C.25 °C. What are the concentrations of A,A, B,B, and CC at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M,0.30 M, 0.40 M,0.40 M, and 0 M,0 M, respectively?
For the reaction H+(aq) + HCO3-(aq) ↔ H2CO3(aq), if the reaction is at equilibrium, which conditions must be maintained? A. [H2CO3] > [H+][HCO3-] B. [H2CO3] < [H+][HCO3-] C. [H2CO3] = [H+][HCO3-] D. none of the above
03(g) + OH(g) =H(g) + 2 O2(g) AG° = 5.8 kJ/mol at 298 K, A,Gº = 0 kJ/mol at 354 K, and 4 Gº = -2.0 kJ/mol at 373 K. (a) Calculate the equilibrium constant value for this reaction at 298K, 354 K, and 373 K. (b) At 354K, calculate the change in the Gibbs energy of the reaction, AG when the partial pressures of O3 and OH are kept at 10 bar and 30 bar, respectively, while O2 and...
A reactionA(aq) + B(aq) <==> C(aq)has a standard free-energy change of -5.13 KJ/mol at 25℃What are the concentrations of A, B, and C at equilibrium if at the
beginning of the reaction their concentrations are 0.30M, 0.40M and
0 M respectively?
What is the standard enthalpy of the reaction, in kJ, at 298K for: 2 A (aq) + 1 B (aq) <--> 1 C (aq) + 1 D (aq) if ΔH° (A)= -32.5912 kJ/mol , ΔH° (B) = -65.9579 kJ/mol, ΔH° (C) = 1.303 kJ/mol, and ΔH° (D) = 28.4551 kJ/mol
What is the standard Gibbs free energy of the reaction, H(aq) - H(aq)+F(aq), if its equilibrium constant at 298 Kis 7.2 10 A 177 kJfmol O B 17.9 kJ/mol O C -17.9 kJ/mol O D 584 l/mol
Using the thermodynamic data provided below, calculate Ka2 for H2CO3(aq) at 25° H*(aq) H:CO3(aq) HCO3 (aq) CO3(aq) AH° (kJ/mol S (J/K mol) 0 0 -698.7 191 -691.11 95.0 -676.26 -53.1 Multiple Choice 4.3910-9 459-10-11 459-10-10 None of the above 409-10-11