If I start with 30.0 mL at 20.0 Celsius and heat it to 45.0 Celsius, what would be the new volume. (Pressure is constant)
32.6 mL
100
If I have 6 moles of gas at 3.3 atm and 13 L, what would the T be?
write your answer in 3 sig figs
87.1 K
100
A gas occupies 3.5L at 2.5 mm Hg pressure. What is the volume at 10 mm Hg at the same temperature?
write your answer in 3 sig figs
0.875 L
100
Predict the products and balance the following reaction: Al2(SO3)3 + NaOH -->
Al2(SO3)3 + 6 NaOH --> 3Na2SO3 + 2 Al(OH)3
100
You should look here when solving a mass-mass problem.
Periodic Table
200
If I start with 0.90 atm at 10 Celsius and cool it to 3 Celsius, what would be the new pressure. (Volume is constant)
write your answer in 3 sig figs
0.878 atm
200
If I have 3.7 moles of gas at 5 L and 210 K, what would the Pressure be?
write your answer in 3 sig figs
12.8 atm
200
A mixture of gases with a pressure of 600.0 mmHg contains 70 percent nitrogen and 30 percent oxygen by volume What is the partial pressure of oxygen in this mixture?
write your answer in 2 sig figs
180 mmHg
200
The molar mass of calcium hydroxide.
answer in 3 sig figs
74.1 g/mol
200
If 20.0 g of magnesium react with excess hydrochloric acid, how many grams of magnesium chloride will be produced?
__ Mg + __ HCl -----> __ MgCl2 + __ H2
78.3g MgCl2
300
If I start with 14 mL at 20.0 Celsius and 1.2 atm, and heat it to 41 Celsius while increasing the pressure to 2.2 atm, what would be the new volume.
write your answer in 3 sig figs
8.18 mL
300
If I have 22 L of gas at 3.3 atm and 280 K, how many moles do I have?
write your answer in 3 sig figs
3.16 moles
300
A sample of 25L of NH3 gas at 10°C is heated at constant pressure until it fills a volume of 50L. What is the new temperature in °C?
answer in 3 sig figs
293 deg celsius
300
The number of grams of magnesium in 7.00 moles
answer in 2 sig figs
170 g
300
How many grams of aluminum would be required to produce 550 g of Fe using the
following reaction?
Al + Fe2O3 ------> Fe + Al2O3
answer in 3 sig figs
265 g Al
400
If I start with 17 mL at 50 Celsius and 4.2 atm, and heat it to 91 Celsius with a new volume of 3 mL, what would be the new pressure.
26.8 atm
400
If I have 0.7 moles of gas at 1.3 atm and 43 L, what would the T be?
write your answer in 3 sig figs
973 K
400
How many liters are in 50 grams of Cl2 at STP?
15.8 L
400
The number of grams of Al2O3 which decompose if 81 grams of Al react with oxygen gas.
____Al2O3 --> ____Al + ____ O2
answer in 3 sig figs
153 grams Al2O3
400
What mass of oxygen is needed to completely react with 84.9 g of Fe according to the
following reaction?
Fe + O2 ----> Fe2O
answer in 3 sig figs
12.2g O2
500
If I start with 44 mL at 10 Celsius and 0.2 atm, and heat it to 41 Celsius while increasing the pressure to 3.2 atm, what would be the new volume.
write your answer in 3 sig figs
3.05 mL
500
If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 deg C, how many moles of gas do I have?
write your answer in 3 sig figs
1.26 moles
500
A constant volume of oxygen is heated from 100°C to 185°C. The initial pressure is 4.1 atm. What is the final pressure?
answer in 3 sig figs
5.03 atm
500
The number of grams of oxygen gas which are needed to produce 10 grams of water.
___H2 + ___ O2 --> ___ H2O
answer in 3 sig figs
8.88 grams of O2
500
When butane, C4H10 burns in oxygen, the products are carbon dioxide and water. What
mass of carbon dioxide will be produced when 4.42 g of butane is burned in excess
oxygen?
answer in 3 sig figs