The following data were obtained by a student attempting to prove Charles\'s Law

Question

The following data were obtained by a student attempting to prove Charles's Law: Brometric pressure:28.50 in. Hg Volume of the flask:152.0 mL Volume of water pulled into the flask: 39.0 mL. Temperature of the ice water bath: 0.1 oC Temperature of the boiling water bath: 98.50 oC. (Water Vapor pressure at 0.1 oC is 5.0 torr) What is the volume of the dry, hot air? What is the volume of dry, cold air.[You may assume it is the same as the volume of wet, cold air.] Find the volume-to-temperature ratio for the volume of the hot, dry air at the temperature of the boiling-water bath. Find the volume-to-volume-temperature ratio for the volume of the cold, dry air at the temperature of the ice-water bath. What is Charles's law? Do the student's results verify Charles's law or not? Explain.

Explanation / Answer

8. Charles law verification experiment

a) Volume of dry, hot air = 152 ml

b) Volume of dry, cold air = 152 - 39 = 113 ml

c) volume to temperature for hot air at boiling water bath temperature = 152/98.50 = 1.54

d) volume to temperature ratio for cold air = 113/0.1 = 1130

e) The result does not verify charles law. The values are far off from each other and does not fall into a straight line ploted for volume and temperature curve.

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