For a chemical reaction to never be spontaneous (always non spontaneous) which of the following conditions must be met? A.) delta S > 0, delta H > 0 B.) delta S < 0, delta H < 0 C.) delta S > 0, delta H < 0 D.) delta S < 0, delta H > 0
Added by Kristin D.
Step 1
Step 1: The condition for a chemical reaction to never be spontaneous is when both delta S (change in entropy) and delta H (change in enthalpy) are such that delta S > 0 and delta H < 0. Show more…
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Replace each question mark with the correct information: $$ \begin{array}{lcccl} & \Delta S_{\text {rxn }} & \Delta H_{\text {rxn }} & \Delta G_{\text {rxn }} & \text { Comment } \\ \hline \text { (a) } & + & - & - & ? \\ \text { (b) } & ? & 0 & - & \text { Spontaneous } \\ \text { (c) } & - & + & ? & \text { Not spontaneous } \\ \text { (d) } & 0 & ? & - & \text { Spontaneous } \\ \text { (e) } & ? & 0 & + & ? \\ \text { (f) } & + & + & ? & T \Delta S>\Delta H \end{array} $$
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