Which statement describes effusion? A) It occurs when a gas passes through a tiny hole.
B) It occurs when a liquid passes through a tiny hole.
C) It occurs when gas molecules disperse throughout a container.
D) It occurs when a liquid disperses throughout a container.

Which substances have the lowest melting points: ionic covalent, or metallic

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean