l. When water freezes to make a snowflake crystal, the entropy of the water A. D

Question

l. When water freezes to make a snowflake crystal, the entropy of the water A. Decreases. B. Increases Does not change. C. 2 en thermal energy is transferred from a hot object to a cold object, the overall entropy A. Decrease B. Increases C. Does not change. 3. Do convection cells represent a reversible process? A. Yes, because they are orderly. B. No, because they transfer thermal energy from hot to cold C. It depends on the type of convection cell. 4. In an isolated system far from thermal equilibrium, as time passes, A. The total energy stays the same; the total entropy stays the same. B. The total energy decreases; the total entropy increases C. The total energy stays the same; the total entropy increases. D. The total energy decreases; the total entropy stays the same.

Explanation / Answer

part 1 ) decresae beacuse randomness is decresing

part 2 ) Decrease , because random ness is decreasing

part 3 ) No , beacuse they transfer thermal energy from hot to cold

part 4 ) B The total energy decreases , the total entropy increase .

because S = Q/T

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