Question

A gas cylinder under constant pressure, such as one with a moveable piston, initially contains 0.25 moles of neon in 5.0 L. If 0.50 moles of helium are added to this gas cylinder, what will be the final volume

Answer 1

15L will be the final volume

STEPS:

.50 + .25 = .75

.25/5 ÷ .75/x

(.75*5=3.25)

.25x = 3.25

x=15

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