The following electrochemical cell simulates the voltaic cell formed by copper and zinc in seawater at pH 7.90 and 25 ºC. Zn | Zn(OH)2 (s) | OH– (aq) || OH– (aq) | Cu(OH)2 (s) | Cu(s) a. Write the balanced equation for the reaction that occurs at the cathode

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.

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?