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For the Reaction H2(g)+ S(s) \rarr H2S(g) Δ\Delta H° = -202 KJ/mol And H2(g)

Question 67

Multiple Choice

For the reaction H2(g) + S(s) \rarr H2S(g) , Δ\Delta H° = -20.2 kJ/mol and Δ\Delta S° = +43.1 J/K·mol.Which of these statements is true?


A) The reaction is only spontaneous at low temperatures.
B) The reaction is spontaneous at all temperatures.
C) ( Δ\Delta G° becomes less favorable as temperature increases.)
D) The reaction is spontaneous only at high temperatures.
E) The reaction is at equilibrium at 25°C under standard conditions.

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