In which of the following cases does entropy decrease
1)solid changing to liquid
2)expansion of a gas
3)crystals dissolve
4)polymerisation
If you don't know the answer then don't write anything else like a beggar.
1)solid changing to liquid
2)expansion of a gas
3)crystals dissolve
4)polymerisation
If you don't know the answer then don't write anything else like a beggar.
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Answer:
Sometimes it is hard to follow the heat, but it is easy to decide if the disorder increases or decreases. The entropy increases whenever heat flows from a hot object to a cold object.
It increases when the ice melts, water is heated, water boils, water evaporates. Solids change to liquid, expansion of gas and dissolution of crystal are examples of increasing disorders or increasing entropy.
In Polymerization the number of molecules present is decreasing, so the randomness or entropy also decreases.
Hence, option D is correct.
Explanation:
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