why some chemical reaction are endothermic or excothermic.

Asked by vikramsingh | 19th Apr, 2013, 09:33: AM

Expert Answer:

An exothermic process releases heat, and causes the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.

Answered by  | 19th Apr, 2013, 08:49: PM

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