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pressure=force/area
evaporation as such influence on the total pressure. evaporation occurs when the total pressure is greater than the surface molecules vapour pressure. as the rate of evaporation increases , more vapour will be there at the top, and then the new total pressure will become the sum of the earlier total pressure and vapour pressure of the vapour evaporated. hence total pressure increases.............
59.0 KJ/mol
The partial pressure of water (vapor) is included in the total pressure of the atmosphere (air) when boiling.
Air has a pressure, but not a suction pressure. Air pressure is measured with a barometer, you do not calculate it. Suction pressure is a concept which applies to a pump. Suction pressure = static pressure + surface pressure - vapour pressure - friction pressure.
Use the Equation of State (EOS) in combination with the Antoine's Equation to determine vapor pressure.
Relative humidity (RH) is the ratio of the partial pressure of water vapour to the saturation vapour pressure of water at the same temperature. Relative humidity depends on temperature and the pressure. Very roughly speaking, it is a ratio of the amount of water vapour in the air compared to the total amount of water vapour that it possible for that air to contain.
by equalizing water levels you can assume that the gas you isolated in the chamber is at atmospheric pressure
If this solution is a mixture you would use Henry's or Raoult's Law. If this is pure water then the answer is already in the question.
The total vapour pressure of a solution is dependent on the partial pressures of the components and on the concentrations of these components:p = pAxA + pBxB+...where:p- total vapour pressurepA, pB- partial pressure of componentsxA, xB- molar fractions of components
Relative humidity is the ratio of the partial pressure of water vapour to the saturation vapour pressure of water at the same temperature. Relative humidity depends on temperature and the pressure. Very roughly speaking, it is a ratio of the amount of water vapour in the air compared to the total amount of water vapour that it possible for that air to contain.
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