1. Which example has particles that can be drawn closer to occupy smaller volume? a. fruit juice b. block of wood c. air inside the syringe d. ice cube

2. Which of the following phenomena does NOT involve the application of gas pressure? a. burning fuels b. falling leaves c. vulcanizing tire d. rising hot air balloons
3. Last summer vacation, the Cruz family decided to go to Pagudpod, Ilocos Norte to have a beach party. On their way to Ilocos, all of them were surprised when the tire suddenly exploded. What is the probable explanation for the blown out tire during a long summer drive? a. High temperature causes a decrease in volume. b. The amount of the gases inside the tire is increased. c. The mass of the gases inside the tire increases causing a blown up tire. d. The volume of gases increases as the temperature increases, causing a blown up tire.
4. How can you possibly prove that gases have negligible mass? a. put a balloon in a digital balance before and after you fill it with air b. feel the weight of the samples on both hands c. ask two persons to hold a box filled with air d. support your claim of through equation
5. What happens to the density of a gas as its volume decreases at constant pressure and temperature? a. decreases b. increases c. stays the same d. unpredictable For numbers 9 to11, the choices are: a. Boyle’s Law b. Charles’ Law c. Combined Gas Law d. Ideal Gas Law
6. What law explains the mechanism of gas compressor?
7. What gas law best explains the explosion of the heated aerosol container?
8. What gas law explains the relationship among the volume, pressure, temperature, and the number of moles of gases?
9. What kind of movement is exhibited by gas molecules? a. vibrational movement b. rotational movement c. translational movement d. combination of a, b and c 10. How does the temperature affect the average kinetic energy of gas molecules? a. as the temperature decreases the average kinetic energy of gas molecules decreases b. as the temperature decreases the average kinetic energy of gas molecules increases c. as the temperature decreases the average kinetic energy of gas molecules remains the same d. as the temperature decreases the average kinetic energy of gas molecules fluctuates
11. What will happen to the gas pressure as the temperature increases, if the amount and volume of the gas are kept constant? a. the gas pressure remains the same b. the gas pressure decreases c. the gas pressure increases d. there is no significant effect

1. A

a

b
c
a
d
d
a
b
c
c
a
b
c
d
a
b

1.a

2.c
3.d
4.a
5.b
6.c
7.d
8.a
9.c
10.b
11.d

A

C
B
A
C
D
D
A
B
C
C

What Law explains the mechanism of gas compressor??

What gas law best explains the explosion of the heated earosol container??
What gas law explain the relationship among the volume, temperature, and the number of moles of gases??

which example has particles that can be drawn closer to occupy smaller volume?

1. To answer this question, you need to understand the relationship between particle arrangement and volume. In this case, we are looking for the example where particles can be drawn closer to occupy smaller volume. The correct answer is c. air inside the syringe. This is because when the plunger of a syringe is pulled, the volume inside the syringe decreases, causing the air particles to be drawn closer together.

2. To determine which phenomenon does NOT involve the application of gas pressure, you need to understand what gas pressure is. Gas pressure is the force exerted by gas particles on the walls of their container. From the provided options, falling leaves does not involve gas pressure as it is unrelated to gas particles exerting force on anything. Therefore, the correct answer is b. falling leaves.

3. To explain the blown out tire during a long summer drive, you need to understand the relationship between volume and pressure of gases. As gases heat up, their volume increases due to the increased kinetic energy of the particles. In this case, the increased temperature caused by the summer heat could have led to an increase in the volume of the gases inside the tire. If this increase in volume is not properly managed, it can lead to a blown out tire. Therefore, the correct answer is d. The volume of gases increases as the temperature increases, causing a blown up tire.

4. To prove that gases have negligible mass, you need to consider a method that allows you to measure the mass of a gas sample. One way to do this is by using a digital balance. Start by weighing an empty balloon on the digital balance, then fill the balloon with air and weigh it again. If the gas inside the balloon has negligible mass, the weight difference between the two measurements should be minimal. Therefore, the correct answer is a. put a balloon in a digital balance before and after you fill it with air.

5. To determine what happens to the density of a gas as its volume decreases at constant pressure and temperature, you need to understand the relationship between density, volume, pressure, and temperature. According to Boyle's Law, when the temperature and amount of gas are kept constant, the volume and pressure are inversely proportional. This means that as the volume decreases, the pressure increases. However, density is the mass of a substance per unit volume, so as the volume decreases, the mass of the gas particles remains constant. Therefore, the density of the gas remains the same. The correct answer is c. stays the same.

6. The law that explains the mechanism of a gas compressor is the Ideal Gas Law. The Ideal Gas Law states that the pressure, volume, temperature, and number of moles of a gas are related by the equation PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature. This law allows us to understand how changing one of these variables affects the others, which is important in understanding the operation of a gas compressor.

7. The gas law that best explains the explosion of a heated aerosol container is Charles' Law. Charles' Law states that the volume of a gas is directly proportional to its temperature when the pressure is constant. When the aerosol container is heated, the temperature of the gas inside it increases, causing the volume of the gas to expand. If the pressure inside the container cannot be released, the buildup of gas volume can lead to an explosion.

8. The gas law that explains the relationship among volume, pressure, temperature, and the number of moles of gases is the Combined Gas Law. The Combined Gas Law combines Boyle's Law, Charles' Law, and Gay-Lussac's Law into a single equation. It states that the ratio of the product of pressure and volume to the product of the number of moles and temperature is constant. This law allows us to understand how changes in these variables affect each other.

9. Gas molecules exhibit translational movement. Translational movement refers to the straight-line motion of gas molecules as they move through space. This movement occurs as the gas molecules collide with each other and the walls of their container, creating pressure.

10. As the temperature increases, the average kinetic energy of gas molecules also increases. This is described by the Kinetic Theory of Gases, which states that the kinetic energy of gas molecules is directly proportional to the temperature. As temperature increases, the gas molecules gain more energy and move faster, resulting in an increase in average kinetic energy.

11. As the temperature increases, if the amount and volume of the gas are kept constant, the gas pressure will increase. This is explained by Gay-Lussac's Law, which states that the pressure of a gas is directly proportional to its temperature when the volume and amount of gas are constant. Therefore, the correct answer is c. the gas pressure increases.