3.draw a picture of a atom and post it on here for me

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

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0