$A$ mixture of $2 \ mol$ of carbon monoxide and $1 \ mol$ of oxygen is ignited in a closed vessel to form carbon dioxide. If $\Delta H$ is the enthalpy change and $\Delta U$ is the change in internal energy,then:
- A$\Delta H > \Delta U$
- B$\Delta H < \Delta U$
- C$\Delta H = \Delta U$
- DCannot be determined.
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