chemistry

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

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