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 evaporation enthalpy of ethanol is 38.56 kJ / mol and the boiling point is 78.37oC....
Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 degrees Celsius. What is the vapor pressure of ethanol at 15 degrees Celsius?
20.Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 °C. what is the vapor pressure of ethanol at 15.0 °C? 4 pts)
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?
6. The heat of vaporization of ethanol, CH.0, is 38.56 kJ/mol, and it has a boiling point of 78.4°C. How much energy is released when 55.0 g of ethanol condenses? 7. 250 mL of room temperature water (22C) is placed in the freezer in an ice cube tray. If the freezer's temperature is -4.0°C, how much energy will it take to make ice?
A Review | Constants Pen Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 °C. Part A You may want to reference (Pages 478 - 487) Section 11.5 while completing this problem. What is the vapor pressure of ethanol at 19°C? Express your answer using two significant figures. Ivo A¢ * * O O ? P= 2.4•10-2 torr Submit Previous Answers Request Answer X Incorrect; Try Again; 13 attempts remaining Provide Feedback
ethanol has a heat vaporization of 38.56 8.314 J/mol K 782.4+ 27. All work must be show to receive credit. Remember, significant figures are important! P-AH/ TT, "P, R T ,T, - 25.0+ 2 1. (4 points) Ethanol has a heat or vaporization of 38 56 kJ/mol and a normal boiling point of 78.4°C. a. What is the vapor pressure of ethanol at 25 0 C? MP2 = - À HVED (T.. T2 ) - 38.56 kJlnit 78.4°C -25.06 0.0821...
The enthalpy of an unknown liquid is 29.86 kJ/mol. and its normal boiling point is 77.0oC. Use the Clausius-Clapeyron equation to calculate the vapor pressure of the unknown liquid at 24.0oC. Enter your answer in units of torr.
The enthalpy of an unknown liquid is 28.96 kJ/mol. and its normal boiling point is 65.0oC. Use the Clausius-Clapeyron equation to calculate the vapor pressure of the unknown liquid at 21.0oC. Enter your answer in units of torr.
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.
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.