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A student constructs a simple constant volume gas thermometer and calibrates it using the boiling point of water, 100°C, and the freezing
point of a specific brine solution, -21°C. The pressures measured at the calibration points are 1.366 atm and 0.9267 atm, respectively.
From these data, what temperature will the student calculate, in degrees Celsius, for the value of absolute zero?
T =

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