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Pressure cookers increase cooking speed by raising the boiling temperature of water Temperature (C) Vapor pressure (Pa) Saturation vapor above its value at atmospheric

 

Pressure cookers increase cooking speed by raising the boiling temperature of water Temperature (C) Vapor pressure (Pa) Saturation vapor above its value at atmospheric pressure. density (g/m) 60 1.99 x 10' 130 70 3.12 x 10' 197 80 4.73 x 10' 294 90 7.01 x 10' 418 95 8.59 x 10' 505 100 1.01 x 10' 598 120 1.99 x 10' 1095 150 4.76 x 10' 2430 200 1.55 x 10% 7090 220 2.32 x 10 10200 50% Part (a) What pressure, in pascals, is necessary to raise the boiling point to 120C? P=1.99 10(5) P = 1.990 10 Pa Correct! 50% Part (b) What gauge pressure, in atmospheres, does this correspond to? Pg = 1 atm

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