Au cours d'une réaction, Alicia recueille 25,0 ml de gaz en 4 min 25 s, à une pression de 101.9 kPa et à une température de 26,0 °C. Quelle est la vitesse de la réaction en mol's?

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.