Biology, 12.12.2020 16:30 joelpimentel
Sam does an experiment in his lab. He discovers that the mass of the reactants before his
experiment is the same as the mass of the products after his experiment. What did he prove?
The law of conservation of mass
The law of conservation of energy
O Physical properties only change during chemical reactions.
He messed up the experiment because the mass should have been different
Answers: 1
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Sam does an experiment in his lab. He discovers that the mass of the reactants before his
experimen...
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