All about the Gas
Gas Laws
Gas Calculation
Ideal Gas Law
Random
100
What temperature, in Celsius, does all molecular motion stop?
-273 oC (0 Kelvin is absolute zero)
100
Name two ways to increase the pressure of a gas system
increase temperature
decrease volume
increase number of moles
100
A sample of oxygen gas collected in the lab occupies a volume of 250. mL when its pressure is 720. mmHg. What volume in liters will the gas occupy at standard pressure if the temperature is held constant?
What is 0.237 L
100
What is the equation for the ideal gas law
PV=nRT
100
A gas in a sealed container has a pressure of 125.0kPa at 30.0oC. Determine the temperature in the container if the pressure is increased to 201.0 kPa.
487 K or 214oC
200
Neon(mm=20), Argon(mm=40), and Krypton(mm=84) are at the same temperature. (A)Which gas particles move the slowest?
(B) Which gas has the smallest average Kinetic Energy?
(A) Krypton
(B) All same
200
Write the equation for the gas law shown in this graph AND what is the name of this gas law.
https://www.a-levelphysicstutor.com/images/thermal/charles-graph.jpg
V1/T1=V2/T2
Charles'
200
A sample of neon gas occupies a volume of 742 mL at 35.0˚C. What volume will the gas occupy at 60.0˚C if the pressure is held constant?
What is 802 mL
200
Ideal gases need _____ temperature and _____ pressure
High, Low
200
Triple the temperature of 300.0 oC. What is the final temperature in Celsius?
1446 oC
300
273 Kelvin or 0˚C and 1 atmosphere, 760 mmHg/torr, or 101.3 kPa.
What are these known as?
STP (standard temperature and pressure)
300
(A) pressure varies directly with temperature
(B) pressure varies inversely with volume
(C) Volume varies directly with temperature
(A) Gay-Lussac's
(B) Boyle's
(C) Charles'
300
A gas has an initial temperature of 37oC, pressure of 1.50 atm, and volume of 355 mL. If the gas is compressed to 282 mL with a pressure of 1550 mmHg, what is the final temperature of the gas in Celsius?
62 oC
300
What is the value (number only) for R in the ideal gas law?
0.08206
300
What is the equation for this gas law and what gas law is this?
P1V1=P2V2 Boyle's
400
Convert 760 kPa to atm
7.5 atm
400
Combination of the three gas laws
What is the Combine Gas Law
400
A 8.30 L gas sample at standard pressure is compressed to a volume of 2.80 L and the temperature is increased from 30.0˚C to 65.0˚C. What is the new pressure of the gas in kPa?
335 kPa
400
What volume does 1.00 mole of any gas occupy at STP?
22.4 L
400
Calculate the mass of 15.0 L of NH3 at 27° C and 900. mm Hg.
12.3 g
(Use PV=nRT to find number of moles. Molar Mass of NH3=17.04...divide moles by molar mass)
500
The volume of a gas is increased by 4x. If the initial pressure was 10. atm, what is the new pressure?
2.5 atm
500
A relationship between volume, pressure, temperature, and number of moles of a gas
What is the Ideal Gas Law
500
What is mass of chlorine gas in grams contained in a 15.0 L tank at 23˚C and 3.78 atm of pressure?
What is 166 g
500
What are the units for R?
(Type this to the best of your ability)
L atm /mol K
(L atm is the numerator and mol K is the denominator)
500
Determine the Celsius temperature of 3.50 g O2 contained in a 3.50 L container at a pressure of 455 kPa
1480 oC