36. For the reaction A + B $\rightleftharpoons$ C + D, $\Delta H^\circ = +40$ kJ and $\Delta S^\circ = +50$ J/K. Therefore, the reaction under 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

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