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In a _________ reaction, the mass of the reactants is equal to the mass of the products. Select all that apply.

A. chemical
B. nuclear fusion
C. nuclear fission

2 Answers

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Chemical reaction. Law of equal masses
User Cburgmer
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In a chemical  reaction, the mass of the reactants is equal to the mass of the products. That is based on the law of conservation of mass, where the mass is conserved. 
User Joshua Spence
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