Given the balanced equation representing a reaction:
4al(s) + o2(g) --> 2al2o3(s)
how many moles of al(s) react completely with 4.50 moles of o2(g)to produce 3.00 moles of al2o3(s)?
(1) 1.50 mol (2) 2.00 mol
(3) 6.00 mol (4) 4.00 mol

What does the cell nucleus do or, how does it function?

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 shape would a molecule with two bound groups and two lone pairs have?