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Chemical Equilibrium

Q. What is the equilibrium equation for the dissociation of formic acid in water? HCOOH (aq) + H2O (l)⇌ H3O+ (aq) + HCOO- (aq) A) Kc = [H3O+] [HCOO-] / [HCOOH] [H2O] B) Kc = [H3O+] [HCOO-] / [HCOOH] C) Kc = [HCOOH] [H2O] / [H3O+] [HCOO-] D) Kc = [HCOOH] / [H3O+] [HCOO-]

Solved • Jul 1, 2019

Chemical Equilibrium

Q. Given the reaction: 2HI <> H2 + I2. If Kc for the reverse reaction is 1.85 x 10 -2 at 425 c, what is Kc for the forward reaction at the same temperature? A) -1.85 x 10-2 B) 1.85 x 10-2 C) 54.1 D) 3.70 x 10-2

Solved • Jun 29, 2019

Chemical Equilibrium

Q. At 400 K, this reaction has Kp = 8.2 × 10–4. What is Kp at 400 K fo the following reaction?

Solved • Jun 17, 2019

Chemical Equilibrium

Q. Calculate Kp for H2O(g) + 1/2 O2(g) <-----> H2O2 (g) at 600K, using the following data: H2(g) + O2(g) <----> h2O2 (g) Kp= 2.3 x 10^6 at 600K 2H2(g) + O2(g) <----> 2H2)n(g) Kp = 1.8 x 10^37 at 600K

Solved • May 21, 2019

Chemical Equilibrium

Q. Kc = 0.11 at 25°C for the reaction: N2O4(g) ⇌ 2 NO2(g).What is Kc for the reaction: NO2(g) ⇌ 1/2 N2O4(g)? A) 0.33B) 3.0 C) 4.5 D) 9.1 E) 28

Solved • Apr 26, 2019

Chemical Equilibrium

Q. Given A+B 2C K=1.2x10-3 What is K for th reaction 2C A+B K = ???

Solved • Apr 13, 2019

Chemical Equilibrium

Q. For the chemical equilibrium A +2B C , the value of the equilibrium constant K is 10 what is the value of the equilbrium constant for the reaction written in reverse

Solved • Apr 13, 2019