Dry ice is solid carbon dioxide. At room temperature, it changes directly into a gas.

Which of the following describes this change?

A. Evaporation results in a reduction of the mass of carbon dioxide.

B. Freezing occurs due to a decrease in the kinetic energy of the particles.

C. Sublimation occurs due to an increase in the kinetic energy of the particles.

D. Deposition causes the particles of the carbon dioxide gas to lock into place.
(10 Points)

1 answer

The correct answer is:

C. Sublimation occurs due to an increase in the kinetic energy of the particles.

This is because dry ice (solid carbon dioxide) transitions directly to gas without becoming liquid, a process known as sublimation, which occurs when the kinetic energy of the particles increases, allowing them to escape the solid phase.