Which of the following statments refers most directly toenthalpy? (a) In an endo

Question

Which of the following statments refers most directly toenthalpy? (a) In an endothermic reaction, the sign of H isnegative (b) Potential energy decreases in an exothermic reaction (c) Molecules in a gas spin or tumble end over end (d) molecules in a heated metal vibrate more rapidly Which of the following statments refers most directly toenthalpy? (a) In an endothermic reaction, the sign of H isnegative (b) Potential energy decreases in an exothermic reaction (c) Molecules in a gas spin or tumble end over end (d) molecules in a heated metal vibrate more rapidly

Explanation / Answer

Ans (a)

Change in enthalpy is represented by H.

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