Q6Multiple choice
∆f U of formation of CH4 (g) at certain temperature is –393 kJ mol–1. The value of ∆f H is
- (i)zero
- (ii)< ∆f U
- (iii)> ∆f U
- (iv)equal to ∆f U
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(ii) < ∆f U
∆f U of formation of CH4 (g) at certain temperature is –393 kJ mol–1. The value of ∆f H is
(ii) < ∆f U