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Common Ions

100

Cu²⁺

copper(II)

200

Al³⁺

Aluminum

300

CO₃^2-

carbonate

400

Cr₂O₇^2-

dichromate

500

FE³⁺PO₄^3-

Iron(III)Phosphate

The Mole!

100

Avogadro's #

6.022x10²³

200

What is the sum of the atomic masses of all the atoms in a molecule?

Molecular mass

300

1 mole is equivalent to?

avogadro's #

6.022x10²³

12g of carbon-12

400

If given the empirical formula, what additional information is needed to calculate the molecular mass?

Molar mass

500

What is the mass of 0.40 mol of copper atoms.

(Atomic weight of copper is 63.55)

25g

Stoichiometry: Chemical Reactions

100

The substances to the left of the yield sign in a chemical equation are called what?

reactants

200

A triangle over the yield sign denotes what?

Reactants must be heated or that they produce heat

300

"Sum of the masses of the products is always equal to the sum of the masses of the reactants."

This is known as what?

Law of conservation of mass

400

2C₄H₁₀(g) + 13O₂(g)  >>  8CO₂(g) + 10H₂O(g)

Is this balanced

Yes

500

Name a leavening agent named in the book

yeast, baking soda, baking powder

Chemical reactions continued

100

How many classifications/categories of chemical reactions are there

4

200

AB  >>  A + B

Name this type of chemical reaction.

decomposition

300

3 Mg(s) + N₂(g)  >>  Mg₃N₂(s)

Combination

400

The reactant that determines the amount of product that can be formed is...

Limiting reactant

500

Using mole ratios: how many moles of hydrogen are needed in order to produce 4 mol of ammonia

3H₂(g) + N₂(g)  >>  2NH₃(g)

6mol H₂

Balancing equations

100

Balance the following equation:

Ca(s) + H₂0(l) ----- Ca(OH)₂(aq) + H₂(g)

Ca(s) + 2H₂0(l) ----- Ca(OH)₂(aq) + H₂(g)

200

H₂SO₄(aq) + LIOH(aq) --- Li₂SO₄(aq) + H₂O(l)

H₂SO₄(aq) + 2LIOH(aq) --- Li₂SO₄(aq) + 2H₂O(l)

300

Sb₂S₃(s) + 0₂ --- Sb₂0₃(s) + SO₂(g)

2Sb₂S₃(s) + 9O₂ --- 2Sb₂0₃(s) + 6SO₂(g)

400

Fe(s) + H₂0(g) --- Fe₃O₄(s) + H₂(g)

3Fe(s) + 4H₂0(g) --- Fe₃O₄(s) + 4H₂(g)

500

KCLO₃(s) --- KCL(s) + O₂(g)

2KCLO₃(s) --- 2KCL(s) + 3O₂(g)