A mixture of He, Ne, and Ar has a pressure of 14.9 atm at 28.0 °C. If the partial pressure of He is 1.43 atm and the partial pressure of Ar is 4.45 atm, what is the partial pressure of Ne?

All of the following are part of the biosphere except

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

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.