Gasses Review 2023-24

At high temperatures the particles of a gas

• Move slower and hit the wall of their container less often

• Move faster and hit the walls of their container more frequently

• Move faster and hit the walls of their container less frequently

• Don't move at all and don't hit the walls of their container

Tags

NGSS.HS-PS3-2

Which of the following statements is incorrect

• Pressure is inversely proportional to volume

• Pressure is directly proportional to temperature

• Volume is directly proportional to temperature

• Pressure is directly proportional to volume

When the volume of a gas increases, what happens to pressure?

• No change in pressure

• Increase in pressure

• Decrease in pressure

• Pressure will increase, and the decrease

77^oC is the same temperature as

• 77 K

• 0 K

• 350 K

• -196 K

According to the kinetic-molecular theory, gas particles

• are spaced far apart

• are constantly moving

• have mass

• all of the above

Tags

NGSS.HS-PS3-2

If the inside of a balloon is heated, the volume will?

• increase

• descrease

• increase a little, then decrease

• none of the above

Tags

NGSS.HS-PS3-2

What is STP?

• 0 K and 1 atm

• 0ºC and 1 kPa

• 0ºC and 1 atm

• 0 K and 1 kPa

If volume is held constant and temperature increases how does pressure change?

• decrease

• increase

• no change

• implode

Which of the following is NOT equal to 1 atm?

• 760 mmHg

• 101.3 kPa

• 8.31 kPa

• 760 torr

A mixture of two gasses has a total pressure of 10 atm. One gas is 3 atm, what pressure is the other gas?

• 5 atm

• 13 atm

• 3 atm

• 7 atm