If the number of moles of a gas doubles, its volume will also double according to
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Please hurry! What is the answer to this?

Why does his teacher ask him to balance the equation by including the correct coefficient

How can the periodic table be used to predict the behavior of elements?

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures