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Starting at atmospheric pressure, by how much must the pressure change in order to lower the boiling point of water by 1° C? You may assume that these changes are both small, so you only need to compute first derivatives. Remember that, under most conditions, the volume (per molecule) of liquid water is small compared to that of water vapor. Remember: Atmospheric pressure = 101300 Pa Boiling point at atmospheric pressure = 373.15 K Latent heat (LB) of boiling water = 2.256 × 106 J/kg Molecular weight (mw) of water = 0.018 kg/mol
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Starting at atmospheric pressure, by how much must the pressure change in order to lower the boiling...
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