Answer to Question #8175 in Molecular Physics | Thermodynamics for Frank Omorogbe
H = αT + C.
We know that
52 = 60α + C ==> C = 52 - 60α.
Also, the ice and the steam points corresponds to 0°C and 100°C respectively, so
50 = 100α + C ==> C = 50 - 100α
X = 0α + C ==> X = C.
At last, X = C = 52 - 60α = 50 - 100α ==> 52 - 60α = 50 - 100α ==> 2 = -40α ==> α = -0.05
and X = C = 52 - 60α = 52 - 60*(-0.05) = 55mm.
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