Carbon disulfide, CS2 , is a volatile, flammable liquid. It has a vapor pressure of 400.0 mmHg at 28.0˚C and a boiling point of 46.5˚C.
a) What is the heat of vaporization of this substance in kJ/mol?
b) At which pressure would CS2 have a boiling point of 75˚C?
Carbon disulfide, CS2 , is a volatile, flammable liquid. It has a vapor pressure of 400.0...
The normal boiling point of liquid carbon disulfide is 320 K. Assuming that its molar heat of vaporization is constant at 28.7 kJ/mol, the boiling point of CS2 when the external pressure is 1.24 atm is __________ K.
THALPY, ENTROPY, AND FREE ENERGY Carbon disulfide, CS2, is a toxic, highly flammable substance that is an excellent solvent for large, nonpolar, organic species such as fats, resins, rubbers, and asphalt. The following thermodynamic data are available for CS, (g) and CS, (1) at 298 K: CS2 (8) CS2 (D) 67.2 65.3 89.7 a) Liquid CS, burns in oxygen with a blue flame, forming CO,(8) and SO, (g). Write a balanced chemical equation for this reac tion. Calculate the ΔΗΡ...
The vapor pressure of liquid carbon disulfide, CS2, is 100. mm Hg at 268 K. A 0.131 g sample of liquid CS2 is placed in a closed, evacuated 500. mL container at a temperature of 268 K. Assuming that the temperature remains constant, will all of the liquid evaporate? What will the pressure in the container be when equilibrium is reached? mm Hg
Carbon disulfide (CS2)(CS2) has a vapor pressure of 300 Torr300 Torr at room temperature (almost half of atmospheric pressure). A sample of CS2CS2 at a temperature of ?=20.6∘CT=20.6∘C is contained in a vacuum chamber at a pressure of ?=200 TorrP=200 Torr in a research lab. The diameter of the CS2CS2 molecules is ?=2.00×10−10 m.d=2.00×10−10 m. The atomic mass of carbon is 12.0 g/mol12.0 g/mol and sulfur is 32.1 g/mol.32.1 g/mol. Assuming that carbon disulfide has only translational degrees of freedom...
Carbon disulfide, CS 2, has a heat of vaporization of 29,200 J/mol. The normal boiling point* of CS 2 is 317K What is the vapor pressure at 268K? (* BP at 760 mm Hg) Choose closest answer. 6.21 mmHg. 26.9 mmHg. 100. mmHg 325 mmHg. 129 mmHg. 859 mmHg. 299 mmHg. 155 mmHg.
The molar enthalpy of vaporization of carbon disulfide is 26.74 kJ/mol, and its normal boiling point is 46°C. What is the vapor pressure of CS2 at 0°C? a)447 torr b)4160 torr c)313 torr d)139 torr e)5.47 torr
A liquid has a vapor pressure of 150 torr at 60ºC. The molar heat of vaporization for this substance is 40.8 kJ/mol. Determine the normal boiling point of this liquid. {ln(P1/P2 ) = ∆Hvap/R(T1-T2/T1T2) = ∆Hvap/R(1/T2 - 1/T1); ln P = 2.303 log P}
The heat of vaporization of carbon disulfide is 27.4 kJ/mol at its boiling point of 46.3 °C. What is the change in enthalpy when 12.5 g CS2 condenses at 46.3 °C?
The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure P and temperature T is expressed by the Clausius-Clapeyron equation. lnP2P1=ΔHvapR(1T1−1T2) where P1 and P2 are the vapor pressures at the absolute temperatures T1 and T2, respectively, ΔHvap is the heat of vaporization of the substance in joules per mole, and R is the ideal gas constant, which is equal to 8.3145 J/(mol⋅K)....
A liquid has a vapor pressure of 100 mm Hg at 25 degrees celsius. If the heat of vaporization is 15 kj /mol, what is the normal boiling point?