Problem: For the reaction SnO2(s) + 2 CO(g) <=> Sn(s) + 2CO2(g), Kp = 0.025 at 500 °C. The value of Kc is: a. 3.94x10-4b. 1.58c. 6.2x10-6d. 0.025e. 100

FREE Expert Solution

We are being asked to calculate Kfor the given reaction, where its Kp is given.

SnO2(s) + 2 CO(g) ⇌ Sn(s) + 2CO2(g)


When dealing with equilibrium:

Kc → equilibrium units are in molarity 
Kp → equilibrium units in terms of pressure


Kp and Kc are related to one another by the following equation below: 

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Problem Details

For the reaction SnO2(s) + 2 CO(g) <=> Sn(s) + 2CO2(g), Kp = 0.025 at 500 °C. The value of Kc is: 

a. 3.94x10-4
b. 1.58
c. 6.2x10-6
d. 0.025
e. 100