3. A liquid compound has an enthalpy of vaporization equal to 65.0 kJ and an entropy...
Liquid nitrogen has a measured enthalpy of vaporization ( ΔH^o vap) = 2.79 kJ/mol and entropy of vaporization ( Δ S^ovap) = 36.1 J/K mol. Calculate the boiling point of liquid nitrogen, in oC using this information. (Use 273.15 K = 0 oC for the temperature conversion. Report your answer with three significant figures.) Tvap = ????? °C I got 196^oC but it is incorrect.
36.1 J/K mol. Calculate the boiling point of liquid Liquid nitrogen has a measured enthalpy of vaporization (AH vap -2.79 kJ/mol and entropy of vaporization (AS nitrogen, in °C using this information. (Use 273.15 K 0°C for the temperature conversion. Report your answer with three significant figures.) Tp C
the normal boiling point of ethanol is 78.3 deg C and its molar enthalpy of vaporization is 38.56 Kj/mol. what is the change in entropy in the system in J/k when 97.2 grams of ethanol at 1 atm condenses to a liquid at the normal boiling point?
The enthalpy of vaporization of trichloromethane (chloroform, CHC13) is 29.4 kJ mol-'at its normal boiling point of 334.88 K, calculate (i) the entropy of vaporization of trichoromethane at this temperature and (ii) the entropy change of the surrounding.
The heat of vaporization of CH_2CI_2 is 28.0 kJ/mol. Calculate the entropy the entropy change when 42 g of CH_2CI_2 boils at its boiling point of 39.8degreeC. 17 J/K 44J/K 59J/K 350J/K 700J/K
1) The enthalpy of vaporization for a liquid is found to be 14.4 kJ mol- at 180 K, its normal boiling point. The molar volumes of the liquid and the vapour at the boiling point are are 115 mL mol-1, and 14.5 L mol-1, respectively. a) Use the Clapeyron equation to estimage the temperature dependence of the vapour pressure (dp/dT) at the normal boiling point. b) Use the Clausius-Clapeyron equation to estimate dp/dT. c) Does the Clausius-Clapeyron equation overestimate or...
A liquid with an enthalpy of vaporization, DHv, of 32.80 KJ/mole has a normal boiling point at 39.20°C. Its vapor pressure at 57.35°C is: (a) 1728 Torr (b) 2644 Torr (c) 2185 Torr (d) 1521 Torr
Trouton's rule states that the molar enthalpy of vaporization of a liquid that does not have strong molecular interactions such as hydrogen bonding or ion-ion attractions is given by Boiling Chemical Compound formula AH yap (kJ-moll) point Hus (kJ.mol-) (K) chloromethane CH CI 21.40 249.06 6.43 water HO 40.65 373.15 6.01 hydrogen H,S 18.67 213.60 18.67 sulfide A Hvap = (85J.K-. mol-?)T where T, is the normal boiling point of the liquid in kelvins. Apply Trouton's rule to estimate the...
Calculate the entropy change (J/K) for the vaporization of 14.4 g of a hydrocarbon (88 g/mole]), at its boiling point of 86.8°C. The enthalpy of vaporization of this hydrocarbon is 25.1 kJ/mol. Enter to 2 decimal places.
Entropy and Change of State The standard enthalpy of vaporization for CHFCI2 is 242.17 J/g at its normal boiling point of 8.92°C. Calculate the standard entropy of vaporization (AS°vap) of CHFC12(1). Answer to the nearest 0.1 J K-1 mol-1. cf Zumdahl Chemical Principles 8th ed. sec. 10.4 pp 362-5. Submit Answer Tries 0/5