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
What are the STP values for each unit of pressure (all 4 of them)?
1 atm = 101.3 kPa = 760 mmHg = 760 torr
Convert 100 grams of NO2 into moles of NO2
2.2 grams
What law relates volume and temperature
Charles Law
If I start with 0.9 atm at 10 Celsius and cool it to 3 Celsius, what would be the new pressure. (Volume is constant)
0.27 atm
If I have 3.7 moles of gas at 5 L and 210 K, what would the Pressure be?
12.8 atm
What is STP?
Temperature = 0 C or 273 K
Pressure= 1 atm
Convert 34.7 moles of CaCO3 into grams
3470 grams
Which law relates temperature and pressue
Boyle's Law
If I have 22 L of gas at 3.3 atm and 280 K, how many moles do I have?
3.16 moles
If you have collected an unknown gas in an inverted graduated cylinder via the water displacement method at a barometric pressure of 752 mmHg, and the water temperature is 18.5 C, what is the partial pressure of the unknown gas? (P H2O at 18.5 C is 16 mmHg)
736 mmHg
Convert 35 grams of CH4 into liters of water vapor at STP
CH4 + O2 = CO2 + H2O
98 liters of water vapor
Which law relates temperature, volume, and pressure
Combined gas law
*answer from everyone*
What is Heather's favorite show?
The Simpsons
What is your final pressure of ozone(O3) if you have 3.4 moles, temperature is =34 C, and your gas occupies 43 L?
P=1.99 atm
How many liters are in 50 grams of Cl2 at STP?
15.8 L
Convert 14 grams of CO2 into liters of O2 at 1.2 atm and 35 degrees Celsius
CH4 + O2 = CO2 + H2O
13.5 Liters
Which law has a temperature, pressure, volume, constant, and mass as variables.
Ideal gas law
(Intro Hint: When solving a Combined Gas Law Problem, what is the ONLY variable that must have its units converted?) If I start with 44 mL at 10 Celsius and 152 mmHg, and heat it to 41 Celsius while increasing the pressure to 2432 mmHg, what would be the new volume.
11.28 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, press must be in atm)
0 C 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 atm to 768 mm Hg
-272.5 C
How many grams of baking soda do you get in a reaction where the temperature is 58 K, the volume is 1 L, and the pressure is 1 atm? R=? **Bonus**
R= 0.082057 L atm /K mol
Mass = 17.65 grams
Which law relates volume, moles, and equals a constant?
Avogadro's Law
V1/n1= v2/n2