Question: The density of mercury changes approximately linearly with temperature as Hg = 13595 2.5 T kg/ m3 T in Celsius, So the same pressure difference

The density of mercury changes approximately linearly with temperature as
ρHg = 13595 − 2.5 T kg/ m3 T in Celsius,
So the same pressure difference will result in a manometer reading that is influenced by temperature. If a pressure difference of 100 kPa is measured in the summer at 35°C and in the winter at −15°C, what is the difference in column height between the two measurements?

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