O KINETICS AND EQUILIBRIUM Using the general properties of equilibrium constants
ID: 707122 • Letter: O
Question
O KINETICS AND EQUILIBRIUM Using the general properties of equilibrium constants At a certain temperature, the equilibrium constant K for the following reaction is 1.3: NO)+COg)NOG)+ CO2(g) Use this information to complete the following table. Suppose a 18. L reaction vessel is filled with 0.81 mol of NO and 0.81 mol of CO2. What can you say about the composition of the mixture in the vessel at equilibrium? 0There will be very little NO and co. There will be very little NO and CO2. Neither of the above is true. What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits NO(0)+CO2(0)NO,(0)+CO(o) What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits 2 NO 2(9)+2CO(9)2 NO(g)+2CO2(9) Explanation Check 13Explanation / Answer
1)
NO2(g) + CO(g) <- - - - - > NO(g) + CO2(g)
K = [NO] [CO2] /[NO2] [CO2] = 1.3
From the value of K we know that more product than reactant
Therefore, the answer is
Ther will be a very little NO2 and CO
2)
NO(g) + CO2(g) <-------> NO2(g) + CO(g)
K = 1/1.3 = 0.77
3)
2NO2(g) + 2CO(g) <------> 2NO(g) + 2CO2(g)
K = [NO]2[CO2]2/[NO2]2[CO]2
K =([NO] [CO2] /[NO2] [CO])2
K = (1.3)2
K = 1.69
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