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ThermodynamicsMCQ

Which of the following equations represents a reaction for which the standard entropy change is posiThermodynamics Chemistry Question

Question

Which of the following equations represents a reaction for which the standard entropy change is positive (ΔS° > 0) ?

A.

3 O2(g) → 2 O3(g)

B.

2 H2(g) + O2(g) → 2 H2O(l)

C.

CaCO3(s) → CaO(s) + CO2(g)

✓ Correct
D.

I2(g) + 2 K(s) → 2 KI(s)

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