Question

The density of liquid oxygen at its boiling point is 1.14 \rm{kg/L} , and its heat of vaporization is 213 \rm{kJ/kg} .

How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?
Calculate the number of kg in 4.0 liters of liquid, using the density. Then multipy that by the heat of vaporization.
density of a ring mass 38.6g and volume 2cm


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