In which of the following would the particles move most rapidly?
A) ice at -20 °C
B) boiling water
C) ice at 0 °C
D) steam at 110 °C
E) water at 20 °C

Question

In which of the following would the particles move most rapidly? 
A) ice at -20 °C
B) boiling water 
C) ice at 0 °C
D) steam at 110 °C
E) water at 20 °C

Quizplus · Accepted Answer

The particles in steam have the highest amount of kinetic energy and therefore move the most rapidly. Boiling water also has a high amount of kinetic energy, but steam has even more due to its higher temperature.

In Which of the Following Would the Particles Move Most