Question
Chemistry Question on Enthalpy change
The standard enthalpy of formation of CH4(g), CO2(g) and H2O(I) are -75 kJ mol-1, -393 kJ mol-1 and -286 kJ mol-1 respectively. The amount of heat liberated (in kJ) when 3.2g of methane gas is burnt under standard conditions is
A
89
B
278
C
890
D
965
E
178
Answer
178
Explanation
Solution
The correct option is (E) : 178