Which One of the Following Phrases Correctly Completes the Sentence

question 20

Multiple Choice

Which one of the following phrases correctly completes the sentence "Chemical reactions occur spontaneously…"

• A) …if  H for the reaction is < 0.
• B) …if  S for the reaction is < 0.
• C) …if the Gibbs free energy change for the reaction is positive.
• D) …if the Gibbs free energy for the reaction is negative.
• E) None of the phrases given

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