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2 H2O2(aq) → 2 H2O(l) + O2(g) ΔH° = −196 kJ/mol_rxn The decomposition of H2O2(aq) is represented by Thermodynamics Chemistry Question

Question

2 H2O2(aq) → 2 H2O(l) + O2(g) ΔH° = −196 kJ/mol_rxn

The decomposition of H2O2(aq) is represented by the equation above. A student monitored the decomposition of a 1.0 L sample of H2O2(aq) at a constant temperature of 300. K and recorded the concentration of H2O2 as a function of time. The results are given in the table below.

[VISUAL]

The reaction is thermodynamically favorable. The signs of ΔG° and ΔS° for the reaction are which of the following?

A.

ΔG° is positive, ΔS° is positive

B.

ΔG° is negative, ΔS° is positive

✓ Correct
C.

ΔG° is positive, ΔS° is negative

D.

ΔG° is negative, ΔS° is negative

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