MEDIUM
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What happens to the molecular motion of a substance as its temperature increases?

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Important Questions on Heat Transfer

EASY
Why does heating increase the rate of evaporation?
EASY
What happens to molecular motion when a solid melts?
MEDIUM
As a substance is cooled, what generally happens to its molecular motion?
MEDIUM
Why do gases expand more than solids or liquids on heating?
EASY
How does temperature affect molecular collisions in a gas?
MEDIUM
Why do solids exhibit negligible diffusion?
EASY
What happens to the kinetic energy of molecules when the temperature increases?
EASY
At what temperature do molecules have minimum motion?
MEDIUM
Why do gases have higher kinetic energy at the same temperature compared to liquids?
EASY
What type of molecular motion becomes prominent in gases at high temperatures?
EASY
What causes a change in phase due to temperature?
MEDIUM
How does molecular motion relate to the heat capacity of a substance?
EASY
How does temperature influence the density of gases?
MEDIUM
What is the main factor responsible for the increased molecular motion at higher temperatures?
MEDIUM
What happens to the intermolecular forces as temperature increases?
EASY
Evaporation _____ with increase in temperature.
EASY
What happens to molecular motion in a gas at absolute zero?
EASY
Which factor primarily affects the speed of molecular motion?