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For the formation of C(g) "at" 300 K. ...

For the formation of `C(g) "at" 300` K.
`A(g) + 3B(g) rarr 2C(g)`
Calculate the magnitude of `DeltaG^(@)` (Kcal) if given data:
`{:(,A,B,C),(DeltaH_(f)^(@)("Kcal mol"^(-1)),0,0,-10),(DeltaS_(f)^(@) ("Cal K"^(-1) "mol"^(-1)), 40,30,45):}`

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