NEW
Font size
S
M
L
XL
WorksheetsCharles', Gay-Lussac's, and Combined Gas Laws
Total questions: 18
Worksheet time: 24mins
Name
Class
Date
1.
What type of relationship is Charles' Law?
a)
Inverse
b)
Direct
c)
Not enough information
d)
#goals
2.
In order to solve gas law calculations, temperature must be measured in:
a)
Fahrenheit
b)
Celsius
c)
Kelvin
d)
It doesn't matter
3.
A balloon with a volume of 200 mL at 30 οC is submerged in hot water to obtain a temperature of 50 οC. What will happen to the volume of the balloon if the pressure remains the same?
a)
the volume of the balloon will become higher than 200 mL
b)
the volume of the balloon will become lower than 200 mL
c)
the volume of the balloon will stay the same
d)
there is no enough data
4.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
5.
What is the formula Charles' Law?
a)
V = T
b)
VT = VT
c)
T1 / V1 = T2 / V2
d)
V1 / T1 = V2 / T2
6.
There are 40 liters of helium in a balloon at 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?
a)
80 L
b)
45 L
c)
54 L
d)
45.33 L
7.
The volume of a gas at 25ο C is 3.8 L. What will be the volume of that gas at 57 ο C if the pressure is held constant?
a)
8.66 L
b)
4.21 L
c)
6.34 L
d)
3.46 L
8.
A gas with a volume of 400 mL at 120 οC is heated until its volume is 700 mL. What is the new temperature ( in degree Celsius) of the gas if the pressure is constant?
a)
4 14.75 οC
b)
687.75 οC
c)
210 οC
d)
68.57 οC
9.
The volume of a gas at 25ο C is 3.8 L. What will be the volume of that gas at 57 ο C if the pressure is held constant?
a)
8.66 L
b)
4.21 L
c)
6.34 L
d)
3.46 L
10.
The relationship of which two variables are compared in Gay-Lussac’s Law?
a)
pressure & volume
b)
volume & temperature
c)
temperature & pressure
d)
volume & moles (amount of gas)
11.
Pressure and temperature have a(n) _________ proportionality.
a)
direct
b)
inverse
c)
linear
d)
exponential
12.
What is the formula for Gay-Lussac’s Law?
a)
P1/T1 = P2/T2
b)
P1/V1 = P2/V2
c)
T1/P1 = T2/P2
d)
P1•T1 = P2 • T2
13.
For the problem below, what is the initial temperature in Kelvin?
Bill Belichick uses a lot of hairspray to keep his hair looking good while coaching an entire game. If his can of hairspray has an initial temperature of 22°C and a pressure of 18.5 psi, what would be the final temperature of the gas is the pressure decreases to 16.9 psi after use?
Bill Belichick uses a lot of hairspray to keep his hair looking good while coaching an entire game. If his can of hairspray has an initial temperature of 22°C and a pressure of 18.5 psi, what would be the final temperature of the gas is the pressure decreases to 16.9 psi after use?
a)
291.5 K
b)
289.9 K
c)
275 K
d)
295 K
14.
The oxygen tanks on the sideline can be very dangerous if heated. Suppose an oxygen tank has a pressure of 120 atm at a room temperature of 25°C. If the temperature on the turf or field increases to 51°C, what will the resulting pressure of the oxygen tank be if the volume and amount of gas does not change?
a)
130 atm
b)
804 atm
c)
1.30 atm
d)
254 atm
15.
Waiting to play the Broncos, the Patriots notice the change in the barometric pressure that occurs when arriving in Denver, CO. In Boston, if the temperature is 25°C at a barometric pressure of 101.3 kPa, what would the temperature of the air be if the barometric pressure decreased to that of Denver’s; 84.0 kPa?
a)
175 K
b)
247 K
c)
247 L
d)
28.5 K
16.
A balloon contains 3.5 L of He gas at 27 oC and 760 mmHg. At what temperature in Celsius will its volume be 3.0 L at 830 mmHg?
a)
8 oC
b)
281 oC
c)
123 oC
d)
10oC
17.
A gas sample is a metal cylinder has a pressure of 0.75 atm at 15oC. What will be the pressure of the gas if the temperature increases to 50oC?
a)
1 atm
b)
0.48 atm
c)
0.84 atm
d)
0.76 atm
18.
A gas is heated from 263K to 298K. The volume is increased from 24.0L to 35.0L. If the original pressure was 1.00 atm, what is the new pressure?
a)
0.78 atm
b)
1.65 atm
c)
1.28 atm
d)
0.61 atm
Reset
