Which of these processes result in an entropy decrease of the system?

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Which of these processes result in an entropy decrease of the system?

Choose one or more:
O Boiling water
O 2NO(g) + O2(g)→2NO2(g)
O Diluting hydrochloric acid
Making ice cubes in the freezer.
Transcribed Image Text:Choose one or more: O Boiling water O 2NO(g) + O2(g)→2NO2(g) O Diluting hydrochloric acid Making ice cubes in the freezer.
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Entropy means randomness. All spontaneous processes have positive or zero entropy change. This means there is a net gain in entropy in these processes.

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