Multiple Choice
What is the boiling (or condensation) point of water in kelvin at standard atmospheric pressure?
1. Intro to General Chemistry
Temperature
Multiple Choice
As the temperature of a substance increases, what happens to the motion of its particles?
A
The particles move slower and have less kinetic energy.
B
The particles stop moving completely.
C
The particles move faster and have more kinetic energy.
D
The particles lose mass.
Verified step by step guidance1
Understand that temperature is a measure of the average kinetic energy of the particles in a substance.
Recall that kinetic energy of particles is related to their motion; as kinetic energy increases, particles move faster.
Recognize that when temperature increases, the average kinetic energy of the particles also increases.
Conclude that with higher temperature, particles move faster because they have more kinetic energy.
Note that particles do not lose mass or stop moving completely as temperature changes; these options are incorrect.
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