How many coulombs of electrical charge are transferred from pb to pbo2?

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

What is the empirical formula for c4h8o2

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.