Are the chemical reactions that take place when a battery is connected endothermic or exothermic? be specific as you explain your answer.

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23-01-2017
Chemistry

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Are the chemical reactions that take place when a battery is connected endothermic or exothermic? be specific as you explain your answer.

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cuanchi cuanchi · Answer 1 · 2017-02-04T21:14:35+01:00

the question is too broad. Depends of the battery and depends where do you connect it to.

define first a battery reaction and where it is connected to define if the reaction is endo or exothermic.

If a battery reaction is exothermic when it is connected to a circuit may be endothermic when it is charged (reverse reaction).

some batteries at low temperature tends to work less, that suggest, they may need absorb some energy from the surroundings.