Question

Under the same condition heats of formation of
water & co, are -285 and -394 kJ mol-1
respectively. The heat of combustion of methane is
-890 kJ mol-1. The heat of formation of methane
(in kJ mol-') is
(1) -964
(2)-890
(3) -222
(4) -74
​

Answer 1

Answer:

(4) - 74 kJ

I hope this will be help you.

Answer 2

Answer:

• -74kJ

I hope this will be help you.