Which reactions are spontaneous under standard conditions?
I. N₂H₄(l) → N₂(g) + 2 H₂(g) Kp = 1.4 × 10^26
II. MgCO₃(s) → MgO(s) + CO₂(g) Kp = 7.0 × 10^–9

Question

Which reactions are spontaneous under standard  conditions?
I. N2H4(l) → N2(g) + 2 H2(g) Kp = 1.4 × 10^26
II. MgCO3(s) →  MgO(s) + CO2(g) Kp = 7.0 × 10^–9

Accepted Answer

Correct answer: A.

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