For the Reaction C₂H₆ (G)→ C₂H₄ (G)+ H₂ (G)

question 26

Multiple Choice

For the reaction C₂H₆ (g) → C₂H₄ (g) + H₂ (g)
ΔH° is +137 kJ/mol and ΔS° is +120 J/K ∙ mol.This reaction is ________.

• A)spontaneous at all temperatures
• B)spontaneous only at high temperature
• C)spontaneous only at low temperature
• D)nonspontaneous at all temperatures

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