Express as ordinary numbers 6.02 x 10^9

The air exhaled from the lungs of a smoker has a concentration of 24 ppm co. express the concentration as a percent.

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

How many moles of gas are present if p=11 atm, v=12l, t=185k?