Charless Law Is Sometimes Expressed In The Form V Vo

Charles’s law is sometimes expressed in the form V = Vo (l + aθ), where θ is the Celsius temperature, a is a constant, and Vo is the volume of the sample at O°e. The following values for a have been reported for nitrogen at O°C:
P/Torr 749.7599.6333.198.6
103a/ (oC)-13.67173.66973.66653.6643
For these data calculate the best value for the absolute zero of temperature on the Celsius scale.

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