Which statement would be the most useful for deriving the ideal gas law? Volume is directly proportional to the number of moles
Voumes inverse proportional to the temperature
Pesures directly proportional to the volume.
pressures inverse proportional to the number of moles

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds

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.