This is a good practise for your pupils on how to think back and be able to reverse
the equivalent volume of liquids.
Not exact matches
I have made simple calculations with a water vapour content
of 1 % and find that
liquid water has less
volume than the
equivalent number
of H2O molecules in gas form.
Every «degree» represented an EQUAL increment
of volume equivalent to about 1/500 part
of the
volume of the thermometer
liquid, needed only one fixed point.