Did you ever get the awnser to this question cause im stuck on it too
<span>Elastic to mechanical is the energy conversion that occurs. Elastic, the pulling back and stretching of the rubber band, mechanical is the release!</span>
Answer:
You cross multiply the valencies as shown
Explanation:
1. Al(OH)3
2. The valency of Calcium is 2- not 1- so,
CaO
The cell membrane performs those functions. It is the outer layer of a cell and it creates a barrier, regulates material entry and exit, uses chemical signals, and creates structure.