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Q.

The entropy change can be calculated by using the expression, ΔS=qevT When water freezes in a glass beaker, Choose the correct statement amongst the following.

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a

ΔS (system) decreases but ΔS (surroundings) remains the some

b

ΔS (system) remains same but ΔS (surroundings) decreases

c

ΔS (system) decreases but ΔS (surroundings) increases

d

ΔS (system) decreases but ΔS (surroundings) decreases

answer is C.

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Detailed Solution

Change is opposite with respect to system and surrounding.

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