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Moles
Grams
Balancing Act
Chemical Reactions
Miscellaneous
100

What is the mass (g) of 1.00 mol Li?

6.94 g Li

100

How many grams are in 6.50 moles of Cu?

413 g Cu

100
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass
100
If there is one product in your equation, then you have this type of reaction.
What is a synthesis reaction?
100

A small number written slightly below and to the right of a chemical symbol. It tells you exactly how many atoms of that specific element are present in a single molecule or unit of a compound.

What is a subscript?

200

How many atoms in 6.755 mol Pb?

4.068 x 10^23 atoms Pb

200

How many grams are in 8.42 x 10 atoms of Br?

0.00112 g Br

200
These are used to help balance chemical equations.
What are coefficients?
200
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
200
The symbol (g) stands for this in a chemical equation.
What is a gas?
300

How many moles in 2.25 x 10^25 atoms Zn?

37.4 mol Zn

300

How many grams are in 10.5 x 10^23 atoms of Mg?

6.05 g Mg

300
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300

A combustion reaction has these 4 things in every combustion reaction

What are hydrocarbons, oxygen, carbon dioxide, and water?

300

How is the mass in grams of the element converted to number of atoms?

Divided by molar mass, then multiply by Avogadro's Number

400

How many moles are in 150 g of S?

4.7 mol S

400

How many grams are in 6.022 x 10^23 atoms C?

12.01 g C

400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
400

How is the mass in grams of the element converted to the amount in moles?

Divide by the molar mass

500

How many moles in 2.65 g Fe?

0.0474 mol Fe

500

How many atoms in 0.02550 g Pt?

7.872 x 10^19 atoms Pt

500
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500

This reaction could be classified in this way 2 Na + 2H2O --> 2NaOH + H2

What is a single replacement reaction?

500

Balance the following equation. Be sure to show all work and simplify your answer. (NH4)3PO4 + Mg(NO3)2 --> Mg3(PO4)2 + NH4NO3

2(NH4)3PO4 +3Mg(NO3)2 --> Mg3(PO4)2 + 6NH4NO3