The vapour pressure of a pure substance at various temperatures is presented below T (°C)     Pvap (mmHg) 0.0 16.0 15.0 31.1 25.0 46.7 40.0 81.8 60.0 159.6 80.0 288.8 A) Calculate H°vap for this substance ____ B) What is the substance's normal boiling point? ____ K

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A: Given data,∆Hvap for ethanol=40.5kJ/molInitial pressure (P1)=0.0992atmInitial…

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A: The given information is: S°(H2O, s) = 48.0 J/(mol K) S°(H2O, l) = 70.0 J/(mol K) Pressure = 1 atm…

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Q: The sublimation pressures of solid Cl2 are 352 Pa at −112°C and 35 Pa at −126.5°C. The vapor…

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Q: 11 10 9 8. 7 6 5 θ. 002 0.003 1/T (к -1) In(P vap)

A: Graph is showing straight line . So we have to compair given equation to standard straight line…

Q: Ethanol, with AHvap = 40.5 kJ mol-¹, has a higher AHvap than methanol, which is 35.2 kJ mol 1, due…

A:

Q: The vapor pressure, P, of a certain liquid was measured at two temperatures, T. The data is shown in…

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Q: kJ and its normal boiling point is 38. °C. Calculate the vapor pressure of X at 7. The enthalpy of…

A: Enthalpy of vaporization is 27000 J/mol P1 is 1 atm P2 =? T1 is 38°C = 311 K T2 is 7°C = 280 K

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Q: The vapour pressure of a pure substance at various temperatures is presented below. T (°C)     Pvap…

A: The data given is, T (°C)     Pvap (mmHg) 0.0 15.0 15.0 38.4 25.0 68.2…

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A: Plot of  ln(P) Vs 1/T, to determine the enthalpy of vaporisation.

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Q: The boiling point of hexane at 1 atm is 68.7C. Estimate its vapor pressure at 50C.

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Q: The normal boiling point of liquid acetone is 329 K. Assuming that its molar heat of vaporization is…

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Q: kJ and its normal boiling point is -26. °C. Calculate the vapor pressure of X at -150. °C. mol The…

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Q: The normal boiling point of liquid acetone is 329 K. Assuming that its molar heat of vaporization is…

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Q: The vapor pressure, P, of a certain liquid was measured at two temperatures, T. The data is shown in…

A: The graph will be plotted between ln P (y-axis) v/s 1/T (x-axis). The points will be as followed:…

Q: Water has ∆Hvap = 41 KJ/mol. Vapour pressure at 373 K is 101.3 kPa. What is the vapour pressure at…

A: We have to predict the vapour pressure at  298 K.