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please i am so confused about it

2007-01-25 09:49:50 · 2 answers · asked by lilbutterfly555 1 in Science & Mathematics Chemistry

2 answers

Do you mean endergonic reaction? An endergonic reaction is one which absorbs energy in the form of work. An exergonic reaction is one which releases energy to the surroundings. This might be energy in the form of heat (hence exothermic) or it might be in the form of greater entropy. Enthalpy determines the "heat" of a reaction, but Gibb's free energy determines whether a reaction is endergonic or exergonic (DG < 0 = exergonic, and will be spontaneous).

2007-01-25 10:43:20 · answer #1 · answered by Tomteboda 4 · 0 0

If you mean exothermic, the chemical energy locked up in the substances which are reacted together is released as heat.

2007-01-25 10:11:28 · answer #2 · answered by Gervald F 7 · 0 0

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