Physics, 07.11.2019 02:31 Nyasiahenry

What defines endothermic reactions and exothermic reactions?
select all that apply.
endothermic reactions are chemical reactions that release energy into the
surrounding environment.
endothermic reactions are chemical reactions that absorb energy from the
surrounding environment.
exothermic reactions are chemical reactions that absorb energy from the
surrounding environment.
exothermic reactions are chemical reactions that release energy into the surrounding
environment

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What defines endothermic reactions and exothermic reactions?
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