The enthalpy of vaporization of trichloromethane (chloroform, CHC13) is 29.4 kJ mol-'at its normal boiling point...
5. (2 points) The boiling point of chloroform (CHC13) is 61.7 °C. The enthalpy of vaporization is 31.4 kJ/mol. Calculate the entropy of vaporization of chloroform.
The vapor pressure of trichloromethane (chloroform) is 41.5 Torr at -7.6 ∘C. Its enthalpy of vaporization is 29.2 kJ⋅mol−1. Calculate its normal boiling point. Express your answer using three significant figures.
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 normal boiling point of ammonia is -33.3°C, and its enthalpy of vaporization is 23.35 kJ/mol. Calculate the temperature in °C required to double the vapor pressure of ammonia.
196 The normal boiling point of Br2(l) is 58.8 ∘C, and its molar enthalpy of vaporization is ΔHvap = 29.6 kJ/mol. a) When Br2(l) boils at its normal boiling point, does its entropy increase or decrease? b) Calculate the value of ΔS when 1.50 mol of Br2(l) is vaporized at 58.8 ∘C. ΔS= (answer in J/K)
The enthalpy of vaporization of mercury is 58.5 kj/mol and the normal boiling point is 630K, You want to calculate the entropy of vaporization for mercury. Which of the following statements concerning this problem is incorrect? Why is this statement incorrect? A) We wxpect DS to be positive for the vaporization of mercury B) Once we know that DS is for this process we will know if it is spontaneous C) We can calculate the entropy of mercury because we...
The molar enthalpy of vaporization of NH3 is 23.3 kJ/mol at its normal boiling point of -33.3 °C. How much energy is required to evaporate 2.03 kg of ammonia at -33.3 °C?
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 molar enthalpy of vaporization of hexane (C6H14) is 28.9 kJ/mol, and its normal boiling point is 68.7 degrees Celsius. What is the vapor pressure of hexane in mmHg at 25 degrees Celsius
The enthalpy of vaporization of Substance X is 18.0 kJ/mol and it’s normal boiling point is 146. degrees C. Calculate the vapor pressure of X at 62. degrees C.