For the Reaction H₂(g) + S(s) $\rarr$ H₂S(g) $\Delta$ H ^$\circ$ = -20

question 86

Multiple Choice

For the reaction H₂(g) + S(s) $\rarr$ H₂S(g) , $\Delta$ H ^$\circ$ = -20.2 kJ/mol and $\Delta$ S ^$\circ$ = +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) (\(\Delta\)G^\(\circ\)) becomes less favorable as temperature increases.
• D) The reaction is spontaneous only at high temperatures.
• E) The reaction is at equilibrium at 25^\(\circ\)C under standard conditions.

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