The heat of formation of sulphur dioxide is $\Delta H_f=-297 \mathrm{~kJ}$. The heat liberated on bu

Question

The heat of formation of sulphur dioxide is $\Delta H_f=-297 \mathrm{~kJ}$. The heat liberated on burning 8 g of sulphur in oxygen is

Professor PC Thomas Classes · Answer

For 0.25 moles of S, heat is $\frac{-297}{4} = -74.25 	ext{ kJ}$.