If 17.50 grams of a barium sulfate precipitate are produced, find the number of moles of Barium Nitrate that
reacted.
CaSO4 (aq) + Ba(NO3)2 (aq) --> BaSO4 (s) + Ca(NO3)2

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

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 happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.