The density of mercury is 13.6 × 103
kg m–3.
The pressure difference between the bottom and the top of a column of mercury is 100 kPa.
What is the height of the column?
A 0.75 m B 1.3 m C 7.4 m D 72 m

Question

The density of mercury is 13.6 × 103
kg m–3.
The pressure difference between the bottom and the top of a column of mercury is 100 kPa.
What is the height of the column?
A 0.75 m B 1.3 m C 7.4 m D 72 m

jfraser · Answer

100kPa is almost exactly 1atmosphere, which describes a column of mercury 760mm tall

anonymous · Answer

pressure diff. =h(rho)g,where rho=density of substance