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Chemistry

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Trisha Bode

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Cards in this guide (14)
What is molarity pure water

the molarity of water is 55.5.

What is the mass in grams of 6.02 x 1023 atoms of sulfur

32g

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

Which conversion factor would be used to convert gmol to gl

mol/l

Which element is the reducing agent in a redox reaction

The reactant that has the atom that gets oxidized

Where are the products in a chemical equation located

usually on the right of the yeild sign
On the right side of the arrow in the equation

What is the percent composition of sulfur in SO2

32.1g

__________________

X100%

(32.1g + 16.0g + 16.0g)

What happens in a reduction

An element gains one or more electrons

What are the spectator ions in Mgs Zn2 2NO3- Mg2 2NO3- Zns

NO3-

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 are state symbols in a chemical equation-

All of the symbols used in chemical equations are up on the periodic table.

Identify the reactants in the reaction HCl plus NaOH NaCl plus H2O

The reactants are HCl and NaOH.

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

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