Me 1. balance the equation if necessary, for te reaction between iron and oxygen. fe + 02 -> fe203. 2. classify the reaction that occurred between the iron and oxygen. 3. what evidence was there that a reaction took place?

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

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.

Drug abuse will not lead to physical and psychological dependence. true or false ?