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Equilibrium Expressions

Q. A sample of nitrosyl bromide (NOBr) decomposes according to the equation 2NOBr(g)⇌2NO(g)+Br2(g) An equilibrium mixture in a 5.00-L vessel at 100 ∘C contains 3.27 g of NOBr, 3.04 g of NO, and 8.10 g of Br2. Calculate Kc.

Solved • Feb 29, 2020

Equilibrium Expressions

Q. Write the Ka expression for an aqueous solution of hydrofluoric acid, HF:

Solved • Feb 28, 2020

Equilibrium Expressions

Q. The value of Kb for quinoline, C9H7N, is 6.30x10^-10. Write the equation for the reaction that goes with this equilibrium constant.

Solved • Feb 28, 2020

Equilibrium Expressions

Q. The value of Kb for methylamine, CH3NH2, is 4.2x10^-4. Write the equation for the reaction that goes with this equilibrium constant. Use the pull-down menus to indicate states such as (aq) or (l).

Solved • Feb 28, 2020

Equilibrium Expressions

Q. The value of Ka for hypochlorous acid, HClO, is 3.50x10^-8. Write the equation for the reaction that goes with this equilibrium constant. Use the pull-down menus to indicate states such as (aq) or (l).

Solved • Feb 28, 2020

Equilibrium Expressions

Q. The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) ⇌ CH4(g) + CCl4 (g) Calculate the equilibrium partial pressures of all species when CH2Cl2(g) is introduced into an evacuated flask at a pressure of 0.709 atm at 350 K.

Solved • Feb 19, 2020

Equilibrium Expressions

Q. In an aqueous chloride solution cobalt (II) exists in equilibrium with the complex ion CoCl4^2-• Co^2+ (aq) is pink and CoCl4^2-(aq) is blue. If we represent the equilibrium as: CO^2+(aq) + 4Cl^-(aq) ⇌ CoCl4^2- (aq) We can conclude that: 2. When the temperature is increased the equilibrium constant, K: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question.

Solved • Feb 19, 2020