Write expressions for K. 2CO2(g) ⇌ 2CO(g) + O2(g)

Write expressions for K. 2CO2(g) ⇌ 2CO(g) + O2(g)

 

 

Write equilibrium constant expressions for Kc,

and for Kp, if applicable, for the following processes:

a) 2CO2(g) ⇌ 2CO(g) + O2(g)

b) 3O2(g) ⇌ 2O3(g)

c) CO(g) + Cl2(g) ⇌ COCl2(g)

d) H2O(g) + C(s) ⇌ CO(g) + H2(g)

e) HCOOH(aq) ⇌ H^+(aq) + HCOO^-(aq)

f) 2HgO(s) ⇌ 2Hg(l) + O2(g)

 

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▶ 참고: 평형상수식 쓰기

[ https://ywpop.tistory.com/7136 ]

▶ 참고: 순수한 고체/액체의 활동도 = 1

[ https://ywpop.tistory.com/3760 ]

Only gases (g) and aqueous solutions (aq) are included

in the equilibrium constant expressions.

Pure solids (s) and liquids (l) must be excluded

because their concentrations are constant.

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a) 2CO2(g) ⇌ 2CO(g) + O2(g)

Kc = [CO]^2 [O2] / [CO2]^2

Kp = (P_CO)^2 (P_O2) / (P_CO2)^2

Kp ≡ Kc

 

 

 

b) 3O2(g) ⇌ 2O3(g)

Kc = [O3]^2 / [O2]^3

Kp = (P_O3)^2 / (P_O2)^3

Kp ≡ Kc

 

 

 

c) CO(g) + Cl2(g) ⇌ COCl2(g)

Kc = [COCl2] / [CO] [Cl2]

Kp ≡ Kc

 

 

 

d) H2O(g) + C(s) ⇌ CO(g) + H2(g)

Kc = [CO] [H2] / [H2O]

Kp ≡ Kc

 

 

 

e) HCOOH(aq) ⇌ H^+(aq) + HCOO^-(aq)

Kc = [H^+] [HCOO^-] / [HCOOH]

 

 

 

f) 2HgO(s) ⇌ 2Hg(l) + O2(g)

Kc = [O2]

Kp = P_O2

 

 

 

 

[ 관련 예제 https://ywpop.tistory.com/20330 ]

Write expressions for K and Kp for the following reactions.

a. 2NH3(g) + CO2(g) ⇌ N2CH4O(s) + H2O(g)

b. 2NBr3(s) ⇌ N2(g) + 3Br2(g)

c. 2KClO3(s) ⇌ 2KCl(s) + 3O2(g)

d. CuO(s) + H2(g) ⇌ Cu(l) + H2O(g)

 

 

 

[키워드] Write expressions for K 기준문서