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The standard reaction Gibbs energy for a...

The standard reaction Gibbs energy for a chemical reaction at an absolute temperature T is given by `Delta_(r)G^(0)=A-BT` where A and B are non-zero constant.Which of the following is true about this reaction? `(A) Exothermic if "A>0" and "B<0"` `(B) Endothermic if "A<0" and "B>0"` ` (C) Exothermic if "A>0"` `(D) Endothermic if "B<0"`

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