Chemistry, 18.12.2020 03:40, creeper2737

Which of the following statements is true about chemical reactions?

endothermic reactions absorb heat and exothermic reactions give off heat
exothermic reactions absorb heat and endothermic reactions give off heat
endothermic and exothermic reactions absorb heat
endothermic and exothermic reactions give off heat

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Which of the following statements is true about chemical reactions?

endothermic reacti...