Which has a greater mass: a kiloliter of liquid nitrogen (density of 0.808 g/mL) or a kiloliter of gasoline (density of 0580 g/mL)?

1 Answer
Dr. Hayek
Nov 6, 2015

Liquid Nitrogen is heavier than Gasoline

Explanation:

Looking at the expression of density: #D=m/V# where, #m# is the mass and #V# is the volume.

Rearranging this expression to find mass: #m=DxxV#

Therefore, according to this expression, at constant volume, when #D# increases, the mass will increase too, therefore, for similar volumes the denser liquid will be the heavier.

The answer then, Liquid Nitrogen is heavier than Gasoline.

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