EASY
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What causes a change in phase due to temperature?

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Important Questions on Heat Transfer

EASY
How does temperature affect molecular collisions in a gas?
MEDIUM
How does molecular motion relate to the heat capacity of a substance?
MEDIUM
What is the main factor responsible for the increased molecular motion at higher temperatures?
EASY
What happens to molecular motion in a gas at absolute zero?
EASY
What happens to molecular motion in a liquid as it approaches boiling point?
EASY
How does temperature affect the diffusion rate in liquids?
EASY
What happens to molecular motion when a solid melts?
EASY
Which state of matter shows the least effect of temperature on molecular motion?
MEDIUM
What happens to the molecular motion of a substance as its temperature increases?
EASY
At what temperature do molecules have minimum motion?
EASY
What happens to the kinetic energy of molecules when the temperature increases?
EASY
Which factor primarily affects the speed of molecular motion?
EASY
Why does heating increase the rate of evaporation?
MEDIUM
As a substance is cooled, what generally happens to its molecular motion?
EASY
How does temperature affect the viscosity of liquids?
EASY
Evaporation _____ with increase in temperature.
MEDIUM
Why do gases have higher kinetic energy at the same temperature compared to liquids?