Conceptual
Boyles and 1 random law
Charles and GL
Combined and Ideal
Avogadro and Random
Final Jeopardy
100
Describes the behavior of gasses
Kinetic Molecular Theory
100
What is the relationship for boyles law?
Indirect
100
Similarities and Difference between Charles and GL?
Charles: v and t
GL: p and t
both direct
100
What is the difference between ideal and combined?
moles is not constant in ideal
100
Who is this?
Avagadro
200
3 Aspects of the KMT
Particle Size, Motion, and energy
200
A gas occupies 12.3 liters at a pressure of 40.0 mm Hg. What is the volume when the pressure is increased to 60.0 mm Hg?
8.20 L
200
If a tank of gas at 166 kPa of pressure and 34.0 o C is heated to 76.0 o C, what is the new pressure?
189 kpa
200
A weather balloon is filled with 1.41 m3 of helium at 23.0°C and at an atmospheric pressure of 745 mm Hg. The balloon is released and it floats into the upper atmosphere where the pressure is only 70.0 mm Hg and the temperature is -45.0°C. What is the new volume of the balloon at those conditions?
11. 6 m3
200
1.3 moles of nitrogen monoxide were in a 3.1 L tank. The number of moles increased to 3.4l. What is the new volume of the container?
8.13 L
300
What is the standard temperature in Kelvin?
273 K
300
500.0 mL of a gas is compressed to 490.0 mL at standard pressure in mm Hg. What was the original pressure of the gas? Report your pressure in atm.
0.9800 atm
300
A gas is cooled from 225.0 °C to 127.0 °C. Its final volume is 325 mL. What was its original volume?
405 mL
300
A gas has an unknown volume, a pressure of 0.500 atm, and a temperature of 52.0 °C. If the pressure is raised to 1.20 atm, the temperature decreased to 47.0 °C, and the volume is now measured to be 48.0 L, what was the initial volume of the gas?
117L
300
Describe diffusion and effusion and give example of each
diffusion is movement of one substance through another
effusion is moving through a tiny hole in a container
400
Why can gases be compressed ?
B/c there is so much space
400
If a tank of gas at 118 o C and 41.0 atm is increased to 199 o C, what is the new pressure? Report your answer in mm Hg.
37600 mmHg
400
If a tank of gas at 110 atm and 42 o C is decreased to standard pressure, what is the new temperature?
2.9 K
400
How many moles of silane gas (SiH4) are present in 0.00868 L measured at 18.0°C and 1.50 atm?
0.000545 mol
400
The SI unit for pressure is....
Pascal (Pa)
500
What instrument is used to measure atmospheric pressure?
barometers
500
Two flasks are connected. The first flask has a volume of 5.00 L and contains nitrogen gas at a pressure of 0.750 atm. The second flask has a volume of 8.00 L and contains oxygen gas at a pressure of 1.25 atm. The final volume for each is 13L. What is the pressure of each gas ?
Nitrogen: 0.288 atm
Oxygen: 0.769 atm
500
Under constant pressure conditions, a sample of hydrogen gas initially at 88o C and 9.6 L is cooled until its final volume is 3.4L. What is its final temperature?
130 K
500
If 3.00 moles of N2 gas and 4.00 moles of O2 gas are placed in a 35.0L container at a temperature of 25.0°C, what will the pressure of the resulting mixture of gases be? (HINT: Use the Ideal Gas Law to determine partial pressure of N2 and O2, then add then total pressure up.)
PN2: 2.08 atm
PO2: 2.80 atm
total = 4.88 atm
500
What is the new volume of a container that went from 2.2 g to 9.12 g of 19.08 ammonia (NH3)? The original volume was 43.1 mL
178.7 mL
500
How many liters of hydrogen gas can be collected at 250. K and 85.0 kPa if 20.0 g of zinc metal react with excess hydrochloric acid?
7.48 L