krutikov686
06.05.2020 •
Chemistry
10. You are given 480 grams of the substance. It's molecular weight is 1440 g. How many
atoms are there in the substance?
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Ответ:
1). D. More heat is given off than is put into the reaction.
"An exothermic reaction is a chemical reaction that releases energy through light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy."
Hope this helps.