For the reaction :- `N_(2)O_(4(g))hArr2NO_(2(g))` `DeltaU2.0Kcal,DeltaS=50CalK^(-1)at300K` calculate `DeltaG`?

Question

For the reaction :- `N_(2)O_(4(g))hArr2NO_(2(g))` `DeltaU2.0Kcal,DeltaS=50CalK^(-1)at300K` calculate `DeltaG`?

For the reaction :-
`N_(2)O_(4(g))hArr2NO_(2(g))`
`DeltaU2.0Kcal,DeltaS=50CalK^(-1)at300K` calculate `DeltaG`?
A. `+12.4K Cal`
B. `-12.4K Cal`
C. `-6.4K Cal`
D. `+6.4K Cal`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`DeltaH=2(1xx2xx300)/(1000)=2.6K Cal`
` DeltaG=DeltaH-TDeltaS`
`2.6-(300xx50)/(1000)=-12.4 K Cal`.

4 views Answered 2023-02-05 15:29