Water gas.. mixture of H_2 and CO. is an important industrial fuel produced by t
ID: 490042 • Letter: W
Question
Water gas.. mixture of H_2 and CO. is an important industrial fuel produced by the reaction of steam with red hot coke, essentially pure carbon C(S) + H_2O(g) CO(g) + H_2 (g) Delta H = 131.30 kJ Write the expression for K_c for the reversible reaction. Predict the changes by the lessthanorequalto Hotelier's Principle. The initial pressures are: NH_3= 2.0 atm. N_2 = 10 a.m. and H_2 = 30 atm tor the reaction 2NH_3 (g) N_2(g) + 3H_2(g). The K_c for the reaction, s 25 at 400^degree C. Calculate the reaction quotient. Determine the direction in which each system will proceed to reach equilibrium?Explanation / Answer
Q1.
KC = [products]/[reactants]
so
Kc = [CO][H2] /([C][H2O])
for C, which is solid, activity = 1
so
Kc = [CO][H2] /[H2O]
b)
prdictions.
Equilibrium:
addition of C --> no effect, activity = 1
H2O removing --> toward left
CO added --> toward left
T increases --> toward right
Increasein V --> most mol formation, right
Inert gas --> P increases, least mol formation is favoured, i.e. left
catalyst --< no effect in euqilibrium only kinetics
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