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X(g) + 2Y(g) rarr 2Z(g) + 3A(g) The chan...

`X(g) + 2Y(g) rarr 2Z(g) + 3A(g)` The change in enthalpy at `27^(@)C` is 79.5 kJ. The value of `Delta`U is

A

74.5 kJ

B

4.99 kJ

C

79.5 kJ

D

75.9 kJ

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