Question

The process that changes a solid directly into a gas is called sublimation. A solid that begins with a mass of 450 g will sublime to give off a gas with a mass of _______ g.
A.
450
B.
0
C.
900
D.
45

Answer 1

The process of sublimation does not change the mass of the substance; it simply changes its state from solid to gas. Therefore, if a solid begins with a mass of 450 g, it will sublime to give off a gas with a mass of **450 g**.

The correct answer is:
**A. 450**