A 20-milliliter sample of a gas is at 546 K and has a pressure of 6.0 atmospheres. If the
temperature is changed to 273 K and the pressure
to 2.0 atmospheres, the new volume of the gas
will be?
A. 3.3 mL
B. 13 mL
C. 30 mL
D. 120 mL

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?