boiling point (BP) of n-pentane, given that the entropy 67 I/mol x °K and the change...
If the normal boiling point of a liquid is 67 ?C, and the standard molar entropy change for the boiling process is +100 J/K, estimate the standard molar enthalpy change for the boiling process. A. +6700 J B. -6700 J C. +3400 J D. -3400 J If you could show your work and explain that would be great. Thank you!
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.
The following information is given for n-pentane, C5H12, at 1am boiling point = 36.2°C AHyap(36.2 °C) = 25.8 kJ/mol specific heat liquid = 2.28 J/gºC At a pressure of 1 atm, what is AH in kJ for the process of condensing a 38.4 g sample of gaseous n-pentane at its normal boiling point of 36.2 °C The following information is given for ethanol, C,H,OH, at 1am: boiling point = 78.4°C AH ap(78.4 °C) = 38.6 kJ/mol specific heat liquid =...
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
What is the entropy change of the system when 17.5 g of liquid benzene (C6H6) evaporates at the normal boiling point? The normal boiling point of benzene is 80.1�C and ?H vap is 30.7 kJ/mol. �19.5 J/K +85.9 J/K 25.2 J/K +19.5 J/K
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
Please help with detailed explanation 8) Phase change (homework) Calculate the entropy change in the universe when a 15.0 g ice cube melts (0°C) in your hand (37°C). Given: AfusH = 6.01 x 103 J/mol 9) Phase change at Boiling point Predict the normal boiling point in °C) of sodium, given that the entropy of 1 mol Na (l) changes by +84.8 J/K when it forms a vapour at 1 bar pressure, with ApapH = +98.0 kJ/mol Remember: The liquid...
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?
Calculate the change in entropy that occurs in the system when 3.90 mole of diethyl ether (C4H6O) condenses from a gas to a liquid at its normal boiling point (34.6∘C). ΔHvap = 26.5 kJ/mol. Answer in J/K