3. Wild Card: 2 Points
The Question Is :
Why does a gas in a closed container exert pressure?
Stop!
The Answer Is :
Time’scontainer walls.
Its moving molecules hit the
Up!
4. Wild Card: 3 Points
The Question Is :
What is absolute-zero temperature?
Stop!
The Answer Is :
Time’s Up! which,
Absolute-zero is the temperature at
theoretically, average molecular kinetic energy is
zero.
5. Wild Card: 4 Points
The Question Is :
Convert 27 degrees Celsius into a Kelvin temperature.
Stop!
The Answer Is : Time’s Up!
300 K
6. Wild Card: 5 Points
The Question Is :
What is the relationship between the area a force is
applied to and the resulting pressure?
Stop!
The Answer Is :Time’s Up!
The same force applied to a smaller area results in a
greater pressure.
7. Wild Card: 6 Points
The Question Is :
A sample of helium gas has a volume of 200.0 mL at
0.960 atm. What pressure, in atm, is needed to reduce
Stop!
the volume at constant temperature to 50.0 mL?
The Answer IsTime’s Up!
:
3.84 atm
8. Wild Card: 7 Points
The Question Is :
The volume of a gas is 27.5 mL at 22 degrees Celsius
and 0.974 atm. What will the volume be at 15.0 degrees
Celsius and 0.993 atm?
Stop!
The Answer Is :
26.3 mL
Time’s Up!
9. The Math: 2 Points
The Question Is :
Some hydrogen gas is collected over water at 20.0 degrees
Celsius. The levels of water inside and outside the gas-collection
Stop!
bottle are the same. The partial pressure of hydrogen is 742.5
torr. What is the barometric pressure at the time the gas is
collected?
Time’s Up!
The Answer Is :
760.0 torr
10. The Math: 3 Points
The Question Is :
A gas at 65 degrees Celsius occupies 4.22 L. At what
Celsius temperature will the volume be 3.87
Stop!
L, assuming the same pressure?
The Answer Is Time’s Up!
:
262 K, or -11 C
11. The Math: 4 Points
The Question Is :
A helium-filled balloon has a volume of 2.75 L at 20 degrees
Celsius. The volume of the balloon decreases to 2.46 L after
Stop!
it is placed outside on a cold day. What is the outside
temperature in K? in C?
Time’s Up!
The Answer Is :
262 K, or -11 C
12. The Math: 5 Points
The Question Is :
A Balloon filled with helium gas has a volume of 500 mL at a
pressure of 1 atm. The balloon is released and reaches an
Stop!
altitude of 6.5 km, where the pressure is 0.5 atm. Assuming that
the temperature has remained the same, what volume does the
gas occupy at this height?
Time’s Up!
The Answer Is :
1000 ml of He
13. The Math: 6 Points
The Question Is :
The volume of gas is 27.5 mL at 22.0 degrees Celsius
and 0.974 atm. What will the volume be at 15.0 degrees
Stop!
Celsius and 0.993 atm?
Time’s Up!
The Answer Is :
26.3 mL
14. The Math: 7 Points
The Question Is :
A 700 mL gas sample at STP is compressed to a volume of
200 ML, and the temperature is increased to 30.0 degrees
Stop!
Celsius. What is the new pressure of the gas in Pa?
Time’s Up!
The Answer Is :
3.94 x 105 Pa, or 394 kPa
15. The Definitions: 2 Points
The Question Is :
What is atmospheric pressure?
Stop!
The Answer IsTime’s Up!
:
The sum of the individual pressures of all the gases in
the atmosphere.
16. The Definitions: 3 Points
The Question Is :
What is partial pressure?
Stop!
The Answer IsTime’s Up!
:
The pressure of each gas in a mixture.
17. The Definitions: 4 Points
The Question Is :
What are the gas laws?
Stop!
The Answer Time’s Up!
Is :
Simple mathematical relationships between the
volume, temperature, pressure, and amount of gas.
18. The Definitions: 5 Points
The Question Is :
What is the combined gas law?
Stop!
The Answer Is : Time’s between pressure,
It expresses the relationship
Up!
volume, and temperature of a fixed amount of gas.
19. The Definitions: 6 Points
The Question Is :
What is Dalton’s Law of Partial Pressures?
Stop!
The Answer Time’s Up!
Is :
It states that the total pressure of a mixture of gases
is equal to the sum of the partial pressures of the
component gases.
20. The Definitions: 7 Points
The Question Is :
What is Gay-Lussac’s Law?
Stop!
The Answer Is :
Time’saUp! of gas at
It states that the pressure of fixed mass
constant volume varies directly with the Kelvin
temperature.
21. The Visuals: 2 Points
The Question Is :
What is the gas law in
the animation
Stop!
shown to the right?
Lower temperature, Lower pressure
The Answer Is :Time’s Up!
Gay-Lussac’s Law
Higher temperature, Higher pressure
22. The Visuals: 3 Points
The Question Is :
What is the gas law in
the animation
Stop!
shown to the right?
Higher Volume, Lower pressure
The Answer Is Time’s Up!
:
Boyle’s Law
Lower Volume, Higher pressure
23. The Visuals: 4 Points
The Question Is :
What is the gas law in
the animation
Stop!
shown to the right?
Lower Temperature, Lower Volume
The Answer Is Time’s Up!
:
Charles’ Law
Higher Temperature, Higher Volume
24. The Visuals: 5 Points
One gas with a
pressure of 0.12
The Question Is : atm
What is the gas law in
the animation
shown to the right?
Stop! Another gas with a
pressure of 0.12
The Answer Is Time’s Up!
: atm
Gay-Lussac’s Law
Both gases at 0.24
a pressure of 0.24
atm
25. The Visuals: 6 Points
Pressure (atm)
The Question Is : 1400
What is the gas law 1200
in the graph 1000
Stop!
shown to the right? 800
600
Volume
The Answer Is : Time’s Up!
400
200
Boyle’s Law 0
0 2 4 6 8
26. The Visuals: 7 Points
A gas before
The Question Is : the process is
What process is done
shown in the
animation to the
right?
Stop!
The Answer Is Time’s Up!
: The gas
after the
Water Displacement process has
been
combined
with water
vapor
27. The Formulas: 2 Points
The Question Is :
What is the formula for Dalton’s Law of Partial Pressure
(not the one for a gas collected by water
displacement)? Stop!
The Answer Is Time’s Up!
:
PT = P 1 + P 2 + P 3 + P 4 …
28. The Formulas: 3 Points
The Question Is :
What is the formula for gases collected by water
displacement?
Stop!
The Answer IsTime’s Up!
:
Patm = Pgas + PH2O
29. The Formulas: 4 Points
The Question Is :
What is the formula for Boyle’s Law?
Stop!
Time’s Up!
The Answer Is :
P1 V 1 = P 2 V 2
30. The Formulas: 5 Points
The Question Is :
What is the formula for Gay-Lussac’s Law?
Stop!
Time’s Up!
The Answer Is :
P1 = P2
T1 T2
31. The Formulas: 6 Points
The Question Is :
What is the formula for Charles’ Law?
Stop!
The Answer Is :
V1 V2
Time’s Up!
=
T1 T2
32. The Formulas: 7 Points
The Question Is :
What is the formula for the Combined Gas Law?
Stop!
Time’s Up!
The Answer Is :
P1V1 = P2V2
T1 T2
33. The Question Is :
What is the Celsius equivalent to absolute zero? What is
the significance of this temperature and what is the
Stop!
relationship between Kelvin temperature and the average
kinetic energy of gas molecules?
Time’s Up!
The Question Is :
-273.15; It is the lowest temperature possible; The
average kinetic energy of gas molecules is directly
proportional to the Kelvin temperature.
