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Question: At 3000 K the equilibrium pressures of CO<sub>2</sub>, CO and O<sub>2</sub> are 0.6,0.4 and 0.2 atmo...

At 3000 K the equilibrium pressures of CO2, CO and O2 are 0.6,0.4 and 0.2 atmospheres respectively. KpK _ { p }for the reaction, 2CO22 \mathrm { CO } _ { 2 }2CO+O22 \mathrm { CO } + \mathrm { O } _ { 2 } is.

A

0.089

B

0.0533

C

0.133

D

0.177

Answer

0.089

Explanation

Solution

Kp=[PCO]2[PO2][PCO2]2=[0.4]2×[0.2][0.6]2=0.0888\mathrm { K } _ { \mathrm { p } } = \frac { \left[ \mathrm { P } _ { \mathrm { CO } } \right] ^ { 2 } \left[ \mathrm { P } _ { \mathrm { O } _ { 2 } } \right] } { \left[ \mathrm { P } _ { \mathrm { CO } _ { 2 } } \right] ^ { 2 } } = \frac { [ 0.4 ] ^ { 2 } \times [ 0.2 ] } { [ 0.6 ] ^ { 2 } } = 0.0888.