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Which of the following is not a spontaneous process? (a) All water fall runs down hill. (b) A lump of sugar dissolves in cup of coffee.

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in Thermodynamics by (45.8k points)

Which of the following is not a spontaneous process? 

(a) All water fall runs down hill. 

(b) A lump of sugar dissolves in cup of coffee. 

(c) Heat flow from hotter object to colder one. 

(d) A water flow from a well to upper reservoir.

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1 Answer

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by (45.0k points)

(d) A water flow from a well to upper reservoir.

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