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• ### 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?

• ### 20.Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4...

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)

• ### ethanol has a heat vaporization of 38.56 8.314 J/mol K 782.4+ 27. All work must be...

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...

• ### 6. The heat of vaporization of ethanol, CH.0, is 38.56 kJ/mol, and it has a boiling...

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?

• ### MI Revie Part A The vapor pressure of nitrogen at several different temperatures is shown below....

MI Revie Part A The vapor pressure of nitrogen at several different temperatures is shown below. Temperature Pressure (K) (torr) 130.5 Use the data to determine the heat of vaporization of nitrogen. Express your answer in kilojoules per mole. 289.5 IVO AQ R o 2 ? 570.8 1028 1718 AH = kJ/mol You may want to reference (Pages 478 - 487) Section 11.5 while completing this problem. Submit Request Answer Part B Determine the normal boiling point of nitrogen. Express...

• ### Part B Suppose that 0.48 g of water at 25° C condenses on the surface of...

Part B Suppose that 0.48 g of water at 25° C condenses on the surface of a 55-g block of aluminum that is initially at 25°C. If the heat released during condensation goes only toward heating the metal, what is the final temperature (in degrees Celsius) of the metal block? (The specific heat capacity of aluminum, Cs,A1, is 0.903 J/(g. °C).) Express your answer in degrees Celsius to two significant figures. IVO ΑΣφ ? T = 22 C Submit Previous...

• ### The evaporation enthalpy of ethanol is 38.56 kJ / mol and the boiling point is 78.37oC....

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 normal boiling point of ethanol is 78.3 deg C and its molar enthalpy of vaporization is 38.56 Kj/mol. what is the ch...

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?

• ### Part A Which substance has the highest boiling point? ОСО CH3OH N2 Submit Request Answer Benzene...

Part A Which substance has the highest boiling point? ОСО CH3OH N2 Submit Request Answer Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 °C. You may want to reference (Pages 503 - 512) section 11.5 while completing this problem. At what temperature does benzene boil when the external pressure is 405 torr ? Express your answer in degrees Celsius using two significant figures. IVO ΑΣΦ ? T = °C Submit Request Answer

• ### 5 pts Ethanol has a heat of vaporization of 38560 J/mol and a 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.