Batteries involve the flow of electricity from one metal to another. what happens to these metals to cause the batteries to, eventually, stop working?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)