In a student experiment, a constant-volume gas thermometer is calibrated in dry

Question

In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (-78.5°C) and in boiling allyl alcohol (97°C). The separate pressures are 0.892 atm and 1.710 atm. Hint: Use the linear relationship p = A + BT, where A and B are constants. (a) What value of absolute zero does the calibration yield? 271.3 (b) What pressure would be found at the freezing point of water? 1.7 Your response differs from the correct answer by more than 10%. Double check your calculations, atm (c) What pressure would be found at the boiling point of water? 2.73 Your response differs from the correct answer by more than 10%. Double check your calculations. atm

Explanation / Answer

Problem 2)

A) delta L = aLo delta T = 9 x 10^-6 x 34 x 62 = 0.01897 cm

B) delta d = ado delta T = 9x 10^-6 x 1.2 x 62 = 6.7 x 10^-4 cm

C) delta V = 3a Vo delta T = 3 x 9 x 10^-6 x 34 x pi x 0.6^2 x 62 = 0.064 cm^3

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