What happens to the temperature of a substance during a phase change
The temperature remains constant during a phase change.
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5
TRUE or FALSE: In a closed container, increasing the temperature of a gas will decrease the force with which particles hit the walls of the container.
FALSE
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lifesaver
Give 25 points!
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gold
Win 50 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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seesaw
Swap points!
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magnet
Take 5 points!
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shark
Other team loses 10 points!
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lifesaver
Give 25 points!
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15
If the temperature and number of particles of gas in a cylinder do not change, and the volume of the cylinder is reduced by half, the pressure of the gas will be __________ as the original pressure.
twice as much
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5
TRUE or FALSE: There are forces of attraction among the particles in all matter.
TRUE
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15
Describes how particles at the atomic level are arranged within most solids.
Arranged in a regular pattern; packet close together
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15
Name at least TWO factors that affect the pressure of an enclosed gas.
temperature, volume, number of particles
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10
According to ____________ all particles of matter are in constant motion.
kinetic theory
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10
What is the SI unit for pressure?
Pascal
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15
What is the formula for Charles's Law?
V₁/T₁ = V₂/T₂
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10
As water freezes, it releases heat to its surroundings. Freezing is an example of a(n) ________ process..
