Solve the given question :

dear student
3C(s)+3H2(g)+O2(g)→CH3​​​​​​COOCH3(l) ΔHf=-442.91
ΔU is given by:
ΔU=ΔH−ΔngRT
=(−442.91−(−4)×8.314×298/1000) kJmole−1
=−433 kJmole−1
the correct answer is option number A
regards

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