?A sample of nitrosyl bromide (NOBr) decomposes according to the equation\(2

Chapter 15, Problem 15.76

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A sample of nitrosyl bromide (NOBr) decomposes according to the equation

\(2 \operatorname{NOBr}(g) \rightleftharpoons 2 \mathrm{NO}(g)+\mathrm{Br}_{2}(g)\)

An equilibrium mixture in a 5.00-L vessel at \(100^{\circ} \mathrm{C}\) contains 3.22 g of NOBr, 3.08 g of NO, and 4.19 g of Br2.

(a) Calculate \(K_{c}\).

(b) What is the total pressure exerted by the mixture of gases?

(c) What was the mass of the original sample of NOBr?

Text Transcription:

2 NOBr(g) \rightleftharpoons 2 NO(g)+Br_2(g)

100^circ C

K_c

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