Chemistry

Problem

2.0\,\text{L}

rigid container at constant temperature contains

0.80\,\text{mol}

\mathrm{NO_2(g)}

0.20\,\text{mol}

\mathrm{NO(g)}

, and

0.10\,\text{mol}

\mathrm{O_2(g)}

for the reaction

\mathrm{2NO_2(g)\;\rightleftharpoons\;2NO(g)+O_2(g)}

. What is

Q_c

for the system? a)

6.3\times10^{-3}

1.3\times10^{-2}

3.1\times10^{-3}

1.3\times10^{-3}