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20.Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4...
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?
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...
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
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?
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?
5 pts Ethanol has a heat of vaporization of 38560 J/mol and a normal boiling point of 352K. What is the vapor pressure (in torr) of ethanol at 310 K? Report your answer to the nearest whole number and do NOT include units in your answer, only type in the number.
How much heat energy is required to convert 15.0 g of solid ethanol at -114.5 °C to gasesous ethanol at 143.1 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C. How much heat energy...
Diethyl ether has a molar heat of vaporization of 26.5 kJ/mol and a normal boiling point of 34.6 °C. What is the vapor pressure of diethyl ether at 10.0 °C?
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
Propane has a normal boiling point of -42.0 ∘C∘C and a heat of vaporization (ΔHvapΔHvap) of 19.04 kJ/molkJ/mol. What is the vapor pressure of propane at 15.0 ∘C∘C? Express your answer using three significant figures. PP = nothing torrtorr