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What fact does Antoine Lavoisier's work show? A. the overall volume before a reaction is equal to the overall volume after a reaction. B. the overall mass before a reaction is equal to the overall mass after a reaction. C. the overall thermal energy before a reaction is equal to the overall thermal energy after a reaction. D. the overall temperature before a reaction is equal to the overall temperature after a reaction.

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WorldlyGlass49
The correct answer is B. the overall mass before a reaction is equal to the overall mass after a reaction.

All other mentioned sentences are incorrect and do not abide by laws of physics and chemistry.
millermoldwarp

The correct answer is B. Antoine-Laurent de Lavoisier was a French chemist, biologist and economist who discovered the law of conservation of matter in 1785.

This law states that during a chemical reaction, the total mass in the system remains constant, that is, the mass consumed of the reactants is equal to the mass of the products obtained.

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