Answered: Pressure cookers increase cooking speed…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Pressure cookers increase cooking speed by raising the boiling temperature of water above its value at atmospheric pressure.

(a) What pressure, in pascals, is necessary to raise the boiling point to 125°C? You can use the table above and assume that the vapor pressure depends linearly on the temperature between the existing data points.

(b) What gauge pressure, in atmospheres, does this correspond to?

Temperature ("C)|Vapor pressure (Pa) Saturation vapor
density (g/m³)
60
1.99 x 10
130
70
3.12 x 10*
197
80
4.73 x 104
294
90
7.01 x 10*
418
95
8.59 x 104
1.01 x 10
505
100
598
120
1.99 x 105
1095
150
4.76 x 10
2430
200
1.55 x 10°
7090
220
2.32 x 10
10200

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