Calculate for given that standard heat enthalpy of and are and .

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

Problem

Calculate

\Delta H^\circ

for

2\text{Al} + \text{Fe}_2\text{O}_3 \rightarrow 2\text{Fe} + \text{Al}_2\text{O}_3

given that standard heat enthalpy of

\text{Fe}_2\text{O}_3

and

\text{Al}_2\text{O}_3

are

-196.5

and

-399.1 \text{ kcal}