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Question

At the sublimation temperature, for the process
$$CO_2(s)\rightleftharpoons CO_2(g)$$

A

$$\triangle H,\triangle S$$ and $$\triangle G$$ are all positive

B

$$\triangle H > 0,\triangle S > 0$$ and $$\triangle G < 0$$

C

$$\triangle H < 0,\triangle S > 0$$ and $$\triangle G < 0$$

D

$$\triangle H > 0,\triangle S > 0$$ and $$\triangle G > 0$$

E

$$\triangle H > 0,\triangle S > 0$$ and $$\triangle G = 0$$

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Solution

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Correct option is A. $$\triangle H,\triangle S$$ and $$\triangle G$$ are all positive

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