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

Which is the most likely way an automotive engineer would use chemistry

Summarize possible ways in which phases of matter could combine to form a solution.

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.