10) One mole of a diatomic ideal gas is initially at a temperature of 127 °C and has a volume of 0.090 m3. The gas is compressed adiabatically to a volume of
0.045 m3. What is the final temperature? given that the ratio Cp/Cv for the gas is
1.5

Iwill give extra points to who gets this right

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.

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)