Question

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.

Answer 1

A. It occurs when a gas passes through a tiny hole.

Step-by-step explanation:

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Answer 2

choice A

Step-by-step explanation:

it it occurs when a gas escapes from a container through a hole of diameter.