Reactions/Balancing
Moles/Stoichiometry
Gas properties
Acids & Bases
Chemical Properties
100

Balance the following equation!

_Mg + _H2O -> _Mg(OH)2 + _H2

1 Mg + 2 H2O -> 1 Mg(OH)2 + 1 H2

100

What is Avogadro's number?

6.022 x 1023

100

What is Boyle's Law?

P1V1 = P2V2

100

What are the equations to calculate pH & pOH

pH = -log[H3O+]

pOH = -log[OH-]

100

What does the symbol (aq) mean..?

dissolved in water (aqueous)

200

What type of reaction is the following..?

2NaNO+ CaCl2 -> 2NaCl + Ca(NO3)2

Double Displacement

200

7.7 x 1025 atoms Ni = _ grams Ni

7546.5 grams

200

When using the ideal gas law, what units do you use for:

Pressure? __

Volume? __

Temperature? __

Pressure? atm

Volume? L

Temperature? K

200

What is the pH of a solution that has a [H3O+] concentration of 7.23 x 1023 M?

3.14

200

What is the equation used to calculate Dilutions?

M1V1 = M2V2

300

Balance the following reaction!

_ Fe2(SO4)3 + _ KOH -> _ K2SO4 + _ Fe(OH)3

1 Fe2(SO4)3 + 6 KOH -> 3 K2SO4 + 2 Fe(OH)3

300

If it takes 770 joules  of energy to raise the  temperature of 50.0g of mercury by 110 degrees Celsius, what is the specific heat capacity of mercury?

0.14 J/g C

300

A 2.0 L bottle has a pressure of 850 Torr. What is the new volume if the pressure is increased to 750 Torr..?

2.3 L

300

What is the pOH of a solution that has a [OH-] concentration of 1.25 x 10-6 M...?

5.90

300

What is the molarity of 21.5g NaOh dissolved in water to make 0.250 L of solution?

2.15 mol

400

Balance and classify the following reactions!

_ P + _ O2 -> _ P2O5

_ NaNO3 + _ CaCl2 -> _ NaCl + _ Ca(NO3)2

4 P + 5 O2 -> 2 P2O

(Synthesis Reaction)

2 NaNO3 + 1 CaCl2 -> 2 NaCl + 1 Ca(NO3)

(Double Displacement Reaction)


400

Using the following equation, answer the prompt.

Fe2O+ 3CO -> 2Fe + 3CO2


What is the percent yield if 24.3L of COare produced at STP..?

68.3 Liters

400

a.) If volume is held constant and temperature is increased, then pressure will _________.

b.) If pressure is held constant and volume is increased, then temperature will _________.

c.) If temperature is held constant and pressure is increased, then volume will _________.

a.) increase

b.) increase

c.) decrease

400

What is the pH of a solution that has an [OH-] concentration of 7.99 x 10-11 M...?

3.90

400

What is the concentration of the desired solution if 30mL of a concentrated solution of 8.00M HCl was used to make a solution containing 430mL...?

0.6 M

500

Balance and classify the following reaction!

_ C2H6 + _ O2 -> _ CO2 + _ H2O

2 C2H6 + 7 O2 -> 4 CO2 + 6 H2O

Combustion reaction

500

Using the following equation, answer the prompt.

4 NH(g) + 5 O(g) -> 4 NO (g) + 6 H2O (g)


29.6 liters NO are produced by using how many molecules of NH3?

7.96*1023 molecules.

500

A 47.0 mL volume of gas is collected at 18 degrees Celcius and 98.5 kPa. What volume will the gas occupy at STP?

(Answer in mL.)

42.9 mL

500

What is the pOH of a solution that has a [H3O+] concentration of 1.02 x 10-3 M...?

11.01

500

How many grams of sodium chloride are needed to make 730 mL solution with a concentration of 0.88M..?

37.58 grams NaCl

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