JEE MAIN - Chemistry Hindi (2020 - 7th January Morning Slot - No. 3)

प्रतिक्रिया के लिए :

A($$l$$) $$ \to $$ 2B(g)

$$\Delta U = 2.1\,kcal,\,\Delta S = 20\,cal\,{K^{ - 1}}$$ 300 K पर

अतः $$\Delta $$G किलोकैलोरी में है :
Answer
-2.7

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