Chemical Reactions

Vocab

100

What does the symbol (aq) stand for?

Aqueous 

200

One or more substances are changed into one or more new substances

Chemical Reaction

300

The starting substance(s) in a reaction

Reactants 

400

The name of the number equal to the number of carbon-12 atoms in 12.01 grams of carbon

a mole

500

6.022*10^23

Avagadro's Number

Types of Reactions

100

What type of reaction is:

CaCO3 ---> CaO + CO2

Decomposition 

200

What type of reaction is:

2Mg + O2 ---> 2MgO

Synthesis  

300

What type of reaction is:

Sn(NO3)2 + 2HCl ---> SnCl2 + 2HNO3

Double Displacement 

400

What type of reaction is:

CuSO4 + Zn ---> ZnSO4 + Cu

Single Displacement 

500

What type of reaction is:

C3H8 + 5O2 ---> 4H2O + 3CO2

Double Displacement 

Balancing Reactions

100

Balance the following reaction: 

NaOH + HCl ---> NaCl + H2O

1, 1, 1, 1

200

Balance the following reaction:

PbO2 ---> PbO + O2

2, 2, 1

300

Balance the following reaction:

Al + Pb(NO3)2 ---> Al(NO3)3 + Pb

2, 3, 2, 3

400

Balance the following reaction:

NH3 + O2 ---> N2O4 + H2O

4, 7, 2, 6

500

Balance the following reaction:

C4H10 + O2 ---> CO2 + H2O

2, 13, 8, 10

Moles and Molarity

100

How many moles are in 6.022*10^23 atoms of Carbon?

1 mole of Carbon

200

How many atoms are in 5.89 mol of iron?

3.547*10^24 atoms of Iron

300

How many grams in 3.92 mol of Vanadium? 

200. grams of Vanadium

400

How many moles in 237 g of sodium? 

10.3 moles of sodium

500

What is the molarity of 3.759 moles of NaOH in 560 mL of water?

6.71 M NaOH