1. A sample of hydrogen has a volume of 25 L under a pressure of 5 atm. What will be the pressure of this gas if the volume is decreased by 1/5 L.? 2. If a gas occupies 312 at a pressure of 1.60 atm, what pressure is necessary for the gas to occupy a volume of 500 L?

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?