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Chemistry

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Maximillia Auer

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2y ago
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Cards in this guide (13)
What are the substances you start with in a chemical reaction called

reactant

What is molarity pure water

the molarity of water is 55.5.

What does percent composition tell you about a molecule

It tells you how much of a molecule is made up of each element. - APEX

Which of the following would be useful for converting gmol to gL

molarity

What happens in a reduction

An element gains one or more electrons

Why are state symbols used in chemical equations

They identify what phase the substances are in

-Apex

What are the substances you end up with in a chemical reaction called

The products

What reaction shows a compound breaking apart into separate substances

Decomposition reaction

What is the best definition of a physical change

Answer this question… Which of the following is the best definition of a physical change?

What best describes the empirical formula

A chemical formula that shows the relative number of each type of atom in a molecule, using the smallest possible ratio

Which o fthe following represents a physical change

Phase change - apex

What would the answer to the following conversion problem be 96 ft 1yd3ft

32 yd

How many moles of KCI would be dissolved in 4 L of water to make 2 M solution

8 moles

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