An “instant cold pack” contains water and an inner pouch with 47.2 g of KNOZ. When the inner pouch is
broken and all of the KNO, is completely dissolved in water, the dissolving process absorbs 16.3 kJ of energy
(which "feels cold”). Calculate molar heat of solution (AHº) for this process in kJ/mol of KNO,.
" include correct sig figs, units, AND correct + or - sign "

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.