Problem: Which of the following statements best describes an endothermic reaction?a) The reaction must be spontaneous at all temperaturesb) The reaction may become spontaneous at high T if ∆S rxn > 0c) The reaction may become spontaneous at low T if ∆S rxn < 0d) The reaction may become spontaneous at high T if ∆S rxn < 0

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Which of the following statements best describes an endothermic reaction?

a) The reaction must be spontaneous at all temperatures

b) The reaction may become spontaneous at high T if ∆S rxn > 0

c) The reaction may become spontaneous at low T if ∆S rxn < 0

d) The reaction may become spontaneous at high T if ∆S rxn < 0