Combined Gas Laws
If I start with 30 mL at 200 K and heat it to 400 K, what would be the new volume. (Pressure is constant)
60 mL
If using atm, what is the value for R, and what are its units?
0.0821 L*atm/mol*K
How are pressure and volume related?
Inversely Related
What law relates volume and temperature
Charles Law
C3H8 + 5O2 -> 3CO2 + 4H2O
How many liters of water vapor are produced with the combustion of 6.0 L of C3H8?
24 L H2O
If I start with 0.90 atm at 10.0 Celsius and cool it to 3.0 Celsius, what would be the new pressure. (Volume is constant)
0.88 atm
If I have 3.7 moles of gas at 5.0 L and 210 K, what would the pressure in atm be?
13 atm
What is STP?
Temperature = 0 C or 273 K
Pressure= 1 atm
Which law relates temperature and pressure
Gay Lussac's Law
Calculate the volume of chlorine gas at STP that is required to completely react with 3.50 g of silver, using the following equation:
2Ag(s) + Cl2(g) → 2AgCl(s)
0.363 L Cl2
If an aerosol can is heated up, and the volume remains constant because the container is rigid, which quantity must change?
Pressure
If I have 22 L of gas at 3.3 atm and 280 K, how many moles do I have?
3.2 moles
According to Charles' Law, if the temperature of system is doubled, the volume with do what?
The volume will double.
Which law relates temperature, volume, and pressure
Combined gas law
Use the reaction shown to calculate the mass of iron that must be used to obtain 0.500 L of hydrogen at STP.
3Fe(s) + 4H2O(l) → Fe3O4(s) + 4H2(g)
0.935 g Fe
The Combined Gas Law includes which 3 Gas Laws?
Boyle's, Charles', and Gay-Lussac's
What is your final pressure in kPa of ozone(O3) if you have 3.40 moles, temperature is =34.0 C, and your gas occupies 43.0 L?
P=202 kPa
How many liters are in .71 moles of Cl2 at STP?
16 L
Which law has a temperature, pressure, volume, constant, and mass (mol) as variables.
Ideal gas law
2C2H2(g) + 5O2(g) → 2H2O(g) + 4CO2(g)
If you have a 10.0-L tank of acetylene at 25.0°C and 1.00 atm pressure, how many moles of CO2 will be produced if you burn all the acetylene in the tank?
0.817 mol CO2
If I start with 44.0 mL at 10.0 Celsius and 152 mmHg, and heat it to 41.0 Celsius while increasing the pressure to 2432 mmHg, what would be the new volume.
3.05 mL
If you have 2 moles of gas, and it occupies 44.8 L, what must the temperature and pressure be? (temp must be in K, pressure must be in atm)
0 C (273 K) and 1 atm
What is the initial temperature(in C) of Nitrous oxide if the final temperature is 386 K and the the pressure increases from 1.0 atm to 1.23 atm.
37 C
Which law relates volume and pressure?
Boyle's law
P1V1 = P2V2
When heated, solid potassium chlorate (KClO3 ) decomposes to form solid potassium chloride and oxygen gas. If 20.8 g of potassium chlorate decomposes, how many liters of oxygen gas will form at STP?
5.07 L O2