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If DeltaH(f)(X), DeltaH(f)(Y), DeltaH(f)...

If `DeltaH_(f)(X)`, `DeltaH_(f)(Y)`, `DeltaH_(f)(R )` and `DeltaH_(f)(S)` denote the enthalpies of formation of `X`, `Y`, `R` and `S` respectively, the enthalpy of the reaction `X+YtoR+S` is given by

A

`DeltaH_(f(x))+DeltaH_(f(y))`

B

`DeltaH_(f(R))+DeltaH_(f(S))`

C

`DeltaH_(f(x))+DeltaH_(f(y))-DeltaH_(f(R))-DeltaH_(f(S))`

D

`DeltaH_(f(R))+DeltaH_(f(S))-DeltaH_(f(x))-DeltaH_(f(y))`

Text Solution

Verified by Experts

The correct Answer is:
D
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