In the pressure versus temperature experiment, the graph P=const*(T+273.15) of t

Question

In the pressure versus temperature experiment, the graph P=const*(T+273.15) of the experimental data (temperature in degree Celsius) was fitted with a straight line, which appeared to have a slope of 345 and an intercept of 93770. What temperature (in degree Celsius) will be defined as the absolute zero by the extrapolation of this fitting line towards zero pressure? I'm assuming that P is equal to 345 and the constant is 93770 and that solving for it can give us T.

Explanation / Answer

P = 345T+93770 = 345(T+271.8 ) => absolute zero = T+271.8 = 0 => At absolute zero T = -271.8 degree Celcius

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