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Author Question: After many observations, Proust stated that elements combine in definite proportions to form ... (Read 45 times)

washai

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on: Aug 27, 2018
After many observations, Proust stated that elements combine in definite proportions to form compounds. Dalton explained these observations by proposing that matter must consist of atoms. Dalton's explanation is called a(n)
 
  A) law.
  B) theory.
  C) hypothesis.
  D) observation.

Question 2

A sample of methane gas that contains Avogadro's number of atoms has a mass of ________.
 
  A) 3.2 g
  B) 6.4 g
  C) 16.0 g
  D) 80.0 g


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Jadwiga9

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


washai

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Reply 2 on: Aug 27, 2018
Wow, this really help

shewald78

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Reply 3 on: Yesterday
Excellent

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