Pressure
Random
Ideal Gases
Reference Table 😉
Gas Laws
100
Which statement regarding gas pressure is FALSE?
- Gas Pressure increases as volume of container increases
Gas Pressure increases with concentration
Gas Pressure increases with temperature
Gas Pressure increases as rate of collisions increases
(1)
Gas Pressure increases as volume of container increases
100
At STP, 2.00 L of Ar(g) and 2.00 L of N(g) have the same...
# of atoms
100
Which is not an optimal condition for a gas?
a) High Temperatures
b) Lower Pressure
c) High Pressure
d) Small Mass
c)
High Pressure
100
What is standard temperature and pressure (STP)?
101.2 kPa and 0° C
100
If the pressure of a gas increases by 2, what will the volume change be?
Decreases by 1/2
200
Pressure is equal to...
Force/Area
200
What are real life examples that air exerts pressure? Choose all that apply
1) Car moves faster when going down a hill
2) Fan releases air when plugged in
3) Balloons expand when filled with air
4) When an airplane takes off, you feel your ears pop
5) When you add salt to water on the stove, it boils faster
(3) and (4)
200
TRUE OR FALSE
In Ideal Gases, there is no attraction between gas particles.
TRUE
200
How do you convert Celsius to Kelvin?
K= ° C + 273
200
TRUE OR FALSE
When using gas law equations, we must use Kelvin as the unit for temperature
TRUE
All measures of temperature in gas law equations need to be converted to Kelvin
300
Why does gas pressure increase when you increase the amount of molecules in a container?
It leads to an increase in the amount of collisions that occur between the molecules and an increase with the amount of molecules that collide against the container.
300
Define the Kinetic Molecular Theory.
No gas is “ideal” but they can act more/less ideal under certain conditions. (Chemistry Class)
300
What is the formula for partial pressure?
300
Pressure is measured in....
a) Kelvin
b) Celsius
c) Joules
d) Pascals
d)
Pascals
300
What is Gay-Lussac's Gas Law?
Pressure is directly proportional to temperature at constant volume
400
TRUE OR FALSE
The relationship between pressure and volume is direct.
FALSE
(As volume decreases, pressure increases)
400
The volume of a random gas is 7.00 L at 273 K and constant pressure. In order for the volume of the gas to decrease to 5.00L, what must the temperature of the gas be?
195K
400
In gases, particles ______ energy when they collide.
a) gain
b) lose
c) transfer
d) maintain
d)
maintain
400
How do you convert Kelvin to Celsius?
° C= K - 273
400
TRUE OR FALSE
The type of container doesn't makes a difference on what happens to the gas inside when the conditions change.
FALSE, it makes a difference
(ex. Flexible containers; Charles and Boyle's Law)
(ex. Rigid containers; Gay-Lussac's Law)
500
What is the combined gas law
500
TRUE OR FALSE
Different Gases with the same temperature and pressure will have an equal number of particles at equal volume.
TRUE
(Avogadro's Law)
500
What are the characteristics of Ideal Gases. Choose all that apply
1) They have elastic collisions
2) Particles of gas are in constant straight line motion
3) Attraction forces are formed between particles
4) Particles lose energy as they collide
5) Volume of particles are practically negligible
(1) (2) and (5)
500
What units can pressure be measured in? Choose all that apply.
1) Pascal
2) Mole
3) ppm
4) ATM
5) Kelvin
(1) and (4)
500
An empty bottle of soda at room temperature (25° C) is 0.5 liters. What would be the new volume if you put it in your refrigerator at (-8° C)? Round to the nearest hundredth.
0.44 Liters