CH-1261

Exothermic and endothermic reactions

Chemistry · Secondary 4 · Easy · Exothermic and endothermic reactions

The combustion of methane is represented by:

\text{CH}_4 + 2\text{O}_2 \rightarrow \text{CO}_2 + 2\text{H}_2\text{O}

,

with an enthalpy change of

\Delta H = -890\,\text{kJ mol}^{-1}

of methane. What is the total energy released when 0.40 mol of methane is completely burned?

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