Unit 6-Gases Review
Quiz by Kate Downey
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30 questions
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- Q1A sample of helium gas occupies 2.65 L at 1.20 atm. What pressure would this sample of gas exert in a 1.50-L container at the same temperature?1.20 atm2.12 atm0.679 atm3.31 atm30s
- Q2A sample of helium gas is at 23°C and has a pressure of 0.956 atm. What temperature will it have at 0.993 atm?(leave in K)307.47 C23.89 K307.47 K284.9 K30s
- Q3What would happen to the average kinetic energy of the molecules of a gas sample if the pressure increased from 1 atm to 2 atm?it would stay the sameit would increaseit would decrease30s
- Q4Boyle's Law states:The volume decreases as the temperature increases if the pressure remains the sameThe pressure increases as the volume increases if the temperature remains the sameThe volume increases as the pressure decreases if the temperature remains the sameThe volume increases as the temperature increases if the pressure remains the same30s
- Q5Charles Law statesThe pressure increases as the volume decreases if and only if the temperature remains the sameThe volume decreases as the temperature increases if and only if the pressure remains the sameThe pressure increases as the volume increases if and only if the temperature remains the sameThe volume increases as the temperature increases if and only if the pressure remains the same30s
- Q6A gas is most like which of these situationsnone of the abovestudents in a hallwaysitting at the lunch tablepool balls on a pool table30s
- Q7What are the factors that effect gas pressureall of the abovetemperaturevolumenumber of particles30s
- Q8Pressure is force per unitareavolumemasspressure30s
- Q9Which statement about the Kinetic Molecular Theory is false?All matter is composed of tiny particles.Particles are constantly colliding with each other and the container.Molecules move in an orderly fashion.Collisions are perfectly elastic.30s
- Q10How will the volume of a sample of gas change if the pressure is increased and temperature is constant?Volume will remain unchangedVolume will go upVolume will go downImpossible to tell without actual measurements30s
- Q11Charles law state that if pressure decreases temperature ____________.stays the samedecreasesincreases30s
- Q12When air is heated it _____________ and exerts _________ air pressure than cooler air.expands ; moreexpands ; lesscondenses ; lesscondenses ; more30s
- Q13Which form of water would have the lowest density?They would all have the sameIcesteamliquid water30s
- Q14How does a can collapse when a vacuum pump removes the air from the can?The inside and outside forces balance out and crush the can.The vacuum creates a force that crushes the can.The atmosphere exerts pressure on the inside of the can crushing itThe outside force from air pressure is greater than inside crushing the can30s
- Q15Empty space with no particles and no pressure.kinetic molecular theoryvaccumatompsherebarometer30s