Determine whether the reactions listed below are entropy-favored or disfavored under standard conditions. Predict how an increase

Question:

Determine whether the reactions listed below are entropy-favored or disfavored under standard conditions. Predict how an increase in temperature will affect the value of Δ_rG°.
(a) N₂(g) + 2 O₂(g) → 2 NO₂(g)
(b) 2 C(s) + O₂(g) → 2 CO(g)
(c) CaO(s) + CO₂(g) → CaCO₃(s)
(d) 2 NaCl(s) → 2 Na(s) + Cl₂(g)