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  1. Dictionary
    bar·o·met·ric pres·sure

    noun

    • 1. another term for atmospheric pressure
  2. Jun 4, 2014 · 1 Answer. The boiling point is reached when the vapor pressure of a liquid matches the atmospheric pressure. Raising the atmospheric pressure will raise the boiling point. Conversely, lowering the atmospheric pressure will lower the boiling point of the liquid. This phenomena is due to the fact that the vapor pressure of water is temperature ...

  3. Sep 19, 2017 · The barometric pressure on Pike's Peak, altitude 4,302 m above sea level, is 442 mm Hg. How would you calculate this pressure in atmospheres (atm) and psi (Ib/#i n^2#)? Chemistry Measurement Unit Conversions

  4. Aug 24, 2017 · If the boiling point values for a specified substance at a specified BP temperature and pressure are given, one can determine the Boiling Point at different vapor pressure values using the Clausis-Clapeyron Equation. The Clausis-Clapeyron Equation is derived from VP_2 = VP_1e^ (-DeltaH_v/ (RT)) at two different temperatures.

  5. May 9, 2016 · A sample of gas is collected over water at a temperature of 35.0°C when the barometric pressure reading is 742.0 torr. What is the partial pressure of the dry gas? Chemistry Gases Partial Pressure

  6. Jun 19, 2014 · Atmospheric pressure in the troposphere drops by about 1 inch of mercury for every thousand feet of altitude above sea level. Gravity of the earth holds our atmosphere close to the surface, so the density (and pressure) of air gets gradually lower as you go to higher altitude. At sea level, atmospheric pressure is about 30 inches of mercury, and this decreases at a rate of approximately 1 inch ...

  7. May 28, 2018 · Explanation: Although it is not one of the main causes for changes in evaporation, and more common ones would be climate and air pressure through some studies it was observed that less evaporation was observed in higher pressure values. Answer link. iOS. Android.

  8. Dalton's Law of Partial Pressure states that the total pressure in a container will be the sum of the individual pressures of the gases present in a container. Here is a video which discusses an application of this law. Many chem classes will perform an experiment to collect a gas (Hydrogen, butane etc.) in an upside-down eudiometer which is ...

  9. Aug 15, 2014 · Hydrostatic pressure is the pressure exerted by an incompressible fluid (a liquid) at a given point, due to the weight of the fluid above it. Atmospheric pressure is the pressure exerted on a surface by the weight of the atmosphere (a compressible fluid) above it. The atmospheric pressure at the surface of the earth is approximately 1 bar.

  10. Jun 12, 2014 · What is atmospheric pressure? Atmospheric pressure is the force per unit area exerted on a surface by the weight of air above that surface in the atmosphere of Earth (or that of another planet). In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point.

  11. Dec 24, 2015 · "58.9 g/mol" Before focusing on anything else, use the vapor pressure of water at 21^@"C" to determine the actual pressure of the gaseous hydrocarbon. As you know, gases collected over water will also contain water vapor. Simply put, the volume of gas collected over water will contain molecules of hydrocarbon and molecules of water. This means that you can use Dalton's Law of partial pressures ...