The thermal decomposition of calcium carbonate proceeds according to ,

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

The thermal decomposition of calcium carbonate proceeds according to

\text{CaCO}_3(s) \rightarrow \text{CaO}(s) + \text{CO}_2(g)

\Delta H = +178\,\text{kJ mol}^{-1}

. If a kiln can supply

3.56\times10^{3}\,\text{kJ}

of heat, how many grams of

\text{CaCO}_3

can decompose completely?