Understanding Gas Behavior and Effusion

What gas do rotten eggs release that has a sulfur smell?

• Methane

• Oxygen

• Carbon dioxide

• Hydrogen sulfide

Tags

NGSS.HS-PS1-2

What is the key to understanding the behavior of a gas?

• Color

• Odor

• Velocity

• Solidity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What affects the velocity of a gas?

• Physical factors

• Its odor

• Its solidity

• Its color

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What does the net velocity of a gas depend on?

• The slowest particle in the system

• The fastest particle in the system

• The average velocity of its molecules

• The color of the gas

How does temperature affect the velocity of gas particles?

• No effect

• Changes the color of the gas

• Decreases velocity

• Increases velocity

Tags

NGSS.HS-PS1-5

What is the formula for kinetic energy?

• KE = mv^2

• KE = 1/2 mv

• KE = m/v^2

• KE = 1/2 mv^2

Tags

NGSS.HS-PS3-2

What is effusion?

• Movement of gas through a solid barrier

• Freezing of a gas into a solid

• Gas turning into a liquid

• Movement of gas through an orifice

What does Graham's Law of Effusion state?

• Rate of effusion is inversely proportional to the square root of its mass

• Rate of effusion is inversely proportional to gas volume

• Rate of effusion is directly proportional to gas mass

• Rate of effusion is directly proportional to temperature

What is diffusion?

• Movement of gas through a solid barrier

• Movement of gas from high to low concentration

• Freezing of a gas into a solid

• Gas turning into a liquid

Tags

NGSS.HS-PS1-5

What forms when ammonia and hydrochloric acid gases meet?

• Nitrogen gas

• Chlorine gas

• Hydrochloric ammonia

• Ammonium chloride

Tags

NGSS.HS-PS1-2