2. The evaporation enthalpy for a liquid is AH- 52 kJ/mol and the saturation vapor pressure...
Can you show the work for these problems? Ethanol has an enthalpy of vaporization of 42.3 kJ/mol. The compound has a vapor pressure of 1.00 atm at 78.3 degree C. At what temperature is the vapor pressure equal to 0.800 atm? (R = 8.314 J/K middot mol) -83.8 degree C -24.4 degree C 62.6 degree C 73.0 degree C 78.0 degree C A liquid has an enthalpy of vaporization of 30.4 kJ/mol. At 269 K is has a vapor pressure...
2. For a given reaction, with AH° -19.9 kJ/mol and AS = -55.5 J/K mol at a temperature of 12 °C. Calculate the equilibrium constant. The Universal gas constant is 8.314 J.K'mol (25 points)
at a temperature is 8.314 JK 2 For a given reaction, with AH = -19.9 kJ/mol and AS = -55.5 J K mol at a 12. Calculate the equilibrium constant. The Universal gas constant is 82 (25 points)
Freon-113, C2Cl3F3, has an enthalpy of vaporization of 27.0 kJ/mol and a normal boiling point of 48.0 °C. What is the vapor pressure (in atm) of Freon-113 at 39.5 °C? (R = 8.314 J/K×mol) 1.00 atm 4.75E-7 atm 1.32 atm 0.760 atm 0.102 atm
A student measured the vapor pressure of a liquid at various temperatures. She then prepared a graph of In VP vs. 1/T. The slope of the best straight line was -3296K. Calculate deltaAH_vap in units of J/mol. (R = 8.314 J. mol^1. K^-1)
The molar enthalpy of vaporization of hexane (C6H14) is 28.9 kJ/mol, and its normal boiling point is 68.73°C. What is the vapor pressure of hexane at 25°C? (R-8.314 J/K • mol) O 4.44 torr O 117 torr O 171 torr O 759 torr 0 3370 torr
The evaporation enthalpy of ethanol is 38.56 kJ / mol and the boiling point is 78.37oC. Calculate the vapor pressure of 100% ethanol stored in a freezer temperatures -18oC The answer is P =6,9 mbar
The vapor pressure of liquid cadmium is 400. mm Hg at 983 K. Assuming that AH yap for Cd (99.0 kJ/mol) does not change significantly with temperature, calculate the vapor pressure of liquid Cd at 1.01x10 K.
The vapor pressure of a liquid is 300 torr at 51.0 °C, and its enthalpy of vaporization is 37.66 kJ/mol. Calculate the normal boiling point of this liquid in °C?
3. Liquids A and B form an ideal solution. At 25 °C, the vapor pressure of liquid A and B is 13.0 kPa and 26.0 kPa, respectively. The vaporization enthalpy of liquid A and B is 35.0 kJ mol and 15.0 kJ mol respectively. At what temperature do liquids A and B have the same vapor pressure?