In a 5.0 liter reactor at equilibrium at a constant temperature, it was determined there was 0.45 mol NO, 0.17 mol Br and 1.32 mol NOBr. What is the value of Kc at this temperature?

In a 5.0 liter reactor at equilibrium at a constant temperature, it was determined there was 0.45 mol NO, 0.17 mol Br and 1.32 mol NOBr. What is the value of Kc at this temperature?

Nitrogen oxide and bromine combine to form nitrosyl bromide, NOBr.
2NO(g) + Br2(g) 2NOBr(g)

In a 5.0 liter reactor at equilibrium at a constant temperature, it was determined there was 0.45 mol NO, 0.17 mol Br and 1.32 mol NOBr. What is the value of Kc at this temperature?



a. 0.0116
b. 86.2
c. 253
d. 0.00395
e. 22.7


Answer: c. 253


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