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7. For the reaction A + B > C + D, ΔH = +40 kJ and 150 J K. Therefore, the reaction under S standard conditions is a) spontaneous at temperatures less than 10 K b) spontaneous at temperatures greater than 800 K c) spontaneous only at temperatures between 10 K and 800 K d) spontaneous at all temperatures e) nonspontaneous at all temperatures r ( .cu >40 . △ 니0