Chemistry

Chemistry, 22.09.2019 16:30, eaglesjohnson414

What is the vapor pressure in equilibrium with when the substance has reached its boiling point

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Physics, 12.07.2019 04:00, NehemiahPate2006

Use the phase diagram above to answer the questions below .( remember that standard pressure is 1.00 atm and it’s used to find normal phase change temperatures.) 1: in which state/phase of matter is this substance at -10 °c and a pressure of 0.50 atm? 2: what phase change occurs as the substance at 0.75 atm is heated from 0°c to 25°c 3: the normal boiling point of a substance is the temperature at standard pressure (1 atm) in which a substance changes from the liquid to the gas/vapor state . what is the normal boiling point of this substance ? 4: the point on the phase diagram where the separation line between liquid and gas ends and the distinction between the liquid phase and gas phase disappears is called the . at this point ,no amount of pressure will cause the substance to condense into a liquid 5: what is the temperature and pressure of the triple point? what phases are in equilibrium at this point ? 6: what phase change occurs as the substance at 0°c has its pressure dropped from 0.50 atm to 0.25 atm?

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Chemistry, 19.07.2019 02:50, leshayellis1591

How are the vapor pressure and boiling point of alkynes affected as the chain length increases? both vapor pressure and boiling point decrease. both vapor pressure and boiling point increase. vapor pressure increases, and boiling point decreases. vapor pressure decreases, and boiling point increases.

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Chemistry, 24.09.2019 21:20, LindaCat78

The pressure of the saturated vapor of benzene (vapor in equilibrium with liquid) is 101.32 kpa at 80°c and 4.81 kpa at 5.5°c, respectively. the latter pressure and temperature correspond to the triple point of benzene. a) calculate the approximate molar heat of vaporization ahm of benzene (clausius - clapeyron equation). ahmv = 33.47 kj mol-1 b) what is the normal boiling point temperature of benzene? calculate the boiling point under a reduced pressure 10 kpa. b) 80°c and 20.4°c c) under what pressure benzene boils at 10°c? c) 6.05 kpa d) what is the saturated vapor pressure over solid benzene in the triple point (5.5°c)? d) 4.81 kpa

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Chemistry, 02.11.2019 05:31, getsic

All liquids evaporate to a certain extent. the pressure exerted by the gas phase in equilibrium with the liquid is called vapor pressure, pvap. the vapor pressure of a particular substance is determined by the strength of the intermolecular forces. but for any given substance, the vapor pressure only changes with temperature. the clausius-clapeyron equation expresses the relationship between vapor pressure and temperature:

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