Which of these can be classified as a substance A) oxygen B) carbon dioxide C) air D) acid rain

Chemistry

2 answers:

ratelena [41]4 years ago

4 0

D could be a answer

Julli [10]4 years ago

4 0

Answer:

carbon dioxide

Explanation:

the rest are mixtures

A chemical substance is composed of one type of atom or molecule.

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In this case, sine the solution of this problem require the application of the Raoult's law, assuming heptane is a nonvolatile solute, so we can write:

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