Which is a characteristic of mixtures?
a. they are chemically bonded together.

b. they can be classified as pure substances.

c. they have fixed ratios between their components.

d. they can be separated by physical processes.

How many moles of gas are present if p=11 atm, v=12l, t=185k?

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

What is the lowest number energy level where a d sublevel is found