Chemistry Practice Problems ICE Chart Practice Problems Solution: Nitrosyl bromide, NOBr, is formed in the reaction ...

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Solution: Nitrosyl bromide, NOBr, is formed in the reaction of nitric oxide, NO, with bromine, Br2 2NO(g) + Br2(g)⇌ 2NOBr(g) The reaction rapidly establishes equilibrium when the reactants are mixed. At a certain temperature the initial concentration of NO was 0.400 M and that of Br2 was 0.265 M. At equilibrium the concentration of NOBr was found to be 0.250 M. What is the value of Kc at this temperature. Express your answer numerically.

Problem

Nitrosyl bromide, NOBr, is formed in the reaction of nitric oxide, NO, with bromine, Br2 

2NO(g) + Br2(g)⇌ 2NOBr(g) 

The reaction rapidly establishes equilibrium when the reactants are mixed. At a certain temperature the initial concentration of NO was 0.400 M and that of Br2 was 0.265 M. At equilibrium the concentration of NOBr was found to be 0.250 M. What is the value of Kc at this temperature. Express your answer numerically.


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