Which answer best describes what is happening in the following redox reaction? 4fe + 3o2 mc023-1.jpg 2fe2o3 this is combustion. this is neutralization. iron is oxidized to form rust. oxygen is oxidized to form rust.

In all living cells dna controls cellular activities by

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.

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump