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LAST QUIZ PARA SA MGA MABABAIT NA STUDENTS

Total questions: 25

Worksheet time: 2hrs 5mins

Name
Class
Date
1.
What does Boyle's law relate to?
a)
Temperature and Volume
b)
Volume and Pressure
c)
Temperature and Pressure
2.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
3.
What is the formula for Boyle's Law?
a)
P1V1=P2V2
b)
P1V1/P2V2
c)
P1V2=P2V1
d)
P1/V1=P2/V2
4.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
5.
A sample of gas with a volume of 30.0 mL at 25.0oC is heated to 50.0oC.  What is the new volume of the gas?
a)
P1V1 = P2V2
b)
P1/T1 + P2/T2
c)
PV = nRT
d)
V1/T1 = V2/T2
6.
If the pressure exerted by a gas at 298 K in a volume of 0.044 L is 3.81 atm, how many moles of gas are present?
a)
P1/T1 = P2/T2
b)
PV = nRT
c)
V1/n1 = V2/n2
d)
P1V1 = P2V2
7.
A gas fills a balloon at a temperature of 27 oC and 1 atm of pressure. What will the pressure of the balloon be if the gas is heated to 127 oC?
a)
P1V1 = P2V2
b)
PV = nRT
c)
P1/T1 = P2/T2
d)
V1/T1 = V2/T2
8.
A 1.25 L volume of gas contains 4.5 moles.  How many moles will be in 0.75 L?
a)
PV = nRT
b)
P1V1 = P2V2
c)
P1V1/T1 = P2V2/T2
d)
V1/n1 = V2/n2
9.

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

a)

2.1 L

b)

5.0 L

c)

8.2 L

d)

3.9 L

10.

A student inflates a balloon with helium then places it in the freezer. The student should expect

a)

the balloon's volume to increase

b)

the balloon's volume to decrease

c)

the balloon's moles to increase

d)

the balloon's moles to decrease

11.

Avogadro's Law explains the relationship between

a)

Pressure and Volume

b)

Pressure and Temperature

c)

Volume and Temperature

d)

Volume and Moles

12.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
13.
In the ideal gas law, which variable represents the gas constant?
a)
n
b)
R
c)
T
d)
V
14.
Charles' Law States...
a)
As Pressure goes up volume goes down
b)
As Pressure goes up temperature goes up
c)
As Volume goes up temperature goes up 
d)
As Pressure goes down volume goes down 
15.
When a basketball is left outside in the cold it goes flat because the volume of air inside the ball has been reduced. What  gas law does this represent?
a)
Boyle's Law
b)
Charles's Law
16.
You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
17.
What is 50 °C in Kelvin?
a)
223
b)
323
c)
100
d)
50
18.
What will happen to the volume of a gas under constant temperature if the pressure increases?
a)
Increase
b)
Decrease
c)
Nothing
d)
Explosion!
19.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
20.
A 220.0 mL sample of helium gas is in a cylinder at 105 kPa and 275 K. The piston is pushed in until the sample has a new temperature of 310 K and new pressure of 150 kPa. What is the new volume of the gas? 
a)
P1V1/T1 = P2V2/T2
b)
PV = nRT
c)
P1V1 = P2V2
d)
Pt = P1 + P2 + P3 + ...
21.

How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?

a)

11.1 mol

b)

11.3 mol

c)

11.5 mol

d)

11.7 mol

22.

A balloon is filled with 35.0 L of helium in the morning when the temperature is 20.00 °C. By noon, the temperature has risen to 45.00 °C. What is the new volume of the balloon?

a)

36.5 L

b)

37.9 L

c)

38.5 L

d)

39.2 L

23.

In a real-life scenario, a 35 L tank of oxygen is used in a medical facility. The tank is maintained at a temperature of 315 K and an internal pressure of 190 atmospheres. How many moles of oxygen gas does the tank contain?

a)

253 mol

b)

255 mol

c)

257 mol

d)

260 mol

24.

In a scientific experiment, a balloon with a capacity of 85 L is inflated with 3.5 moles of air at a pressure of 1.0 atmosphere. What is the temperature of the air inside the balloon in degrees Celsius?

a)

20 °C                                         

b)

23 °C    

c)

25 °C

d)

30 °C

25.

In an industrial setting, a gas within a piston is initially at a volume of 6.0 L and a pressure of 1.0 atm. When the gas is compressed to a volume of 3.5 L, what is the new pressure inside the piston?

a)

1.5 atm

b)

1.6 atm

c)

1.7 atm

d)

1.8 atm

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