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Try to rationalize the sign of ΔS∘rxn in each case.

Drag the appropriate items to their respective bins.

Part A: The answer is negative, which is consistent with a(n) _______ in the number of moles of ________ .
Part B: The answer is positive, which is consistent with a(n) ________ in the number of moles of ________ .
Part C: The change is small because the number of moles of ________ is constant.
Part D: The answer is negative, which is consistent with a(n)________ in the number of moles of _________ .
Increase
Liquid
Decrease
Solid
Gas

Respuesta :

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Answer:

a) decrease, gas

b) increase, gas

c) liquid

d) increase, solid

Explanation:

Entropy refers to the degree of disorderliness of a system. If the number of moles of gas increases from left to right in a reaction, the entropy of the system increases positively.

Similarly, when the number of liquid molecules remain constant, there could only be a very little increase in entropy.

However, solids have the least entropy and the entropy of a system decreases when a system yields solid products.

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