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Why did Antoine Lavoisier reject the phlogiston theory? What is the modern-day theory that it

contradicted?

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Answer:

Lavoisier did not expect his ideas to be adopted at once, because those who believed in phlogiston would "adopt new ideas only with difficulty."

Antoine Lavoisier disproved the existence of phlogiston and helped to form the basis of modern chemistry using Joseph Priestley's discovery of oxygen.

Step-by-step explanation:

Lavoisier put his faith in the younger generation who would be more open to new concepts. Two years later, in 1791, the results were obvious.

Antoine Lavoisier determined that oxygen was a key substance in combustion, and he gave the element its name. He developed the modern system of naming chemical substances and has been called the “father of modern chemistry” for his emphasis on careful experimentation.

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