Question

1. What will happen to the volume of a gas when its temperature decreases?
A. Decreases
b. increases
c. remain the same
d. unpredictable
2. What pressure must be applied toa 200 mL gas at 1.2 atm to reduce its volume to 120 mL?
A. 0.72 atm
b. 2 mL
c. 0.72 mL
d. 2 atm
3. What will happen to the volume of a gas when its pressure increases?
A. Decreases
b. increases
c. remain the same
d. unpredictable

Refer this problem to answer questions 4 to 8: A sample of Fluorine gas occupies a volume of 250 mL at 760 torr. If the temperature remains the same, calculate the pressure required to increase its volume to 500 mL

4. Which Gas Law applies this problem?
A. Boyle's Law
b. Charles' Law
C. combined Gas Law
d. Avogadro's Law
5. Which is the initial Volume?
A. 250 mL
b. 760 torr
c. 500 mL
d. 380 torr
6. Which is the initial pressure?
A. 250 mL
b. 760 torr
C. 500 mL
d. 380 torr
7. Which is the final volume?
A. 250 mL
b. 760 torr
c. 500 mL
d. 380 torr
8. which is the final pressure?
A. 250 mL
b. 760 torr
c. 500 mL
d. 380 torr
9. Charles' Law explains that at constant pressure, volume and temperature
A. Are inversely proportional from each other
B. Are directly proportional from each other
C. Have the same value
D. Has no relation at all
10. if the temperature of a gas is held constant, lowering the pressure would make the volume
A. Decreases
b. increases
C. remains the same
d. unpredictable
11. Jane can still pump air in the party balloon even though it is already inflated. What explains this phenomenon?
A. Balloons look better if their size is bigger.
B. Balloons are made up of plastic.
C. The air inside the balloon is hot.
D. Air molecules can be compressed.
12.What is most likely to happen when an aerosol can is heated?
A. The can will be deformed
C. The can will stay the same
B.The can will stay the same
D. The can will tarnish.
13. Which of the following samples is highly compressible at high pressure and expandable at high temperature?
B. Aluminum sheet
A.Oxygen gas
C. Water
D. Ice
14.Records show that the incidence of tire explosion is high during the summer season. Which of the following
gives the best explanation for this observation?
A. There are more travelers during summer vacation.
B. High temperature during the summer season causes the air inside the tire to expand.
C. Vehicles' tires are not well maintained.
D. There is too much air inside the tires.
15. The temperature of nitrogen gas in a not rigid vessel is reduced from 100°C to 5.0°C? Which of the following
describes the resulting behavior of nitrogen gas molecules?
I. The average kinetic energy suddenly increases; thus, the pressure increases.
II. The average kinetic energy suddenly decreases; thus, the pressure decreases.
III. The volume occupied by the gas molecules suddenly increases; thus, the container expands.
IV. The volume occupied by the gas molecules suddenly decreases, thus the container shrink.
A. I and III
B. II and IV
C. I and IV
D. II and III
16. A balloon with a volume of 200 mL at 30°C is submerged in hot water to obtain a temperature of 50°C. Find out what will happen to the volume of the balloon, provided 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 given.​

Answer 1

Answer:

the answers are as follows

Explanation:

1 can it be predicted until we are not given the specification about pressure

2 it can be solved by the famous equation PV equal to nrt aur we can use the Boyle's law PV equal to constant

3 cant be predicted until temperature specification is not given