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usius-Clapeyron equation tells us the variation of vapor pressure (p) with temperature (T) as ap dT...
8. (a) Use the Clausius-Clapeyron equation and calculate the vapor pressure (mm Hg) of butanone at...
8. (a) Use the Clausius-Clapeyron equation and calculate the vapor pressure (mm Hg) of butanone at 45 °C, given that the vapor pressure is 100 mm Hg at a temperature of 25 °C. The enthalpy of vaporization of butanone is 34.0 kJ/mol. (b) Calculate the enthalpy of vaporization for a compound if its vapor pressure is 26 mm Hg at 20°C and 167 mm Hg at 55 °C.
1) The vapor pressure of liquid antimony is 400 mm Hg at 1.84×103 K. Assuming that its molar heat of vaporization is con...
1) The vapor pressure of liquid antimony is 400 mm Hg at 1.84×103 K. Assuming that its molar heat of vaporization is constant at 115 kJ/mol, the vapor pressure of liquid Sb is _____ mm Hg at a temperature of 1.81×103 K. 2) The normal boiling point of liquid acetone is 329 K. Assuming that its molar heat of vaporization is constant at 29.0 kJ/mol, the boiling point of CH3COCH3 when the external pressure is 1.21 atm is ______ K.
15. According to the Clausius-Clapeyron equation ln va R T T P"арф) refers to the vapor...
15. According to the Clausius-Clapeyron equation ln va R T T P"арф) refers to the vapor pressure at temperature 1, R-2 cal/mol-K, and Ah is the heat of changc associated with the process of transitioning to the vapor (cither sublimation or vaporization depending on whether the transition is from solid to vapor or liquid to vapor) i.e., дН-H vapor-H , where X is either solid or liquid and H denotes the corresponding molar enthalpy. Use the Clausius-Clapeyron equation to solve...
Determine enthalpy of vaporization graphically using the Clausius-Clapeyron equation. The vapor pressure of pentane (C5H12) has...
Determine enthalpy of vaporization graphically using the Clausius-Clapeyron equation. The vapor pressure of pentane (C5H12) has been measured over a range of temperatures. (a) Which of the following should give a linear plot (temperatures in K)? On the x-axis: — On the y-axis: C (b) When the appropriate plot is made, the resulting straight line has a slope of -3.38x103 K. Use this information to determine AHvap for C5H12. kJ/mol Check & Submit Answer Show Approach
The vapor pressure of benzene is found to obey the empirical equation torr T T2 In...
The vapor pressure of benzene is found to obey the empirical equation torr T T2 In (P) = 16.725 – 3229.86 K _ 118345 K? from 298.2 K to its normal boiling point 353.24 K. Given that the molar enthalpy of vaporization at 353.24 K is 30.8 kJ mol-1 and that the molar volume of liquid benzene at 353.24 K is 96.0 cm3 mol-1, use the above equation to determine the molar volume of the vapor at its equilibrium pressure...
2. The vapor pressure, p, of nitric acid varies with temperature as follows: t/°C 0 20...
2. The vapor pressure, p, of nitric acid varies with temperature as follows: t/°C 0 20 40 50 70 80 90 100 p/kPa 1.92 6.38 17.7 27.7 62.3 89.3 124.9 170.9 Plot and manipulate these data points in excel and answer the following questions. (a) (3 points) What is the boiling point at 100 kPa? How do you get it? (b) (6 points) What is the enthalpy of vaporization of nitric acid? How do you get it?
2. The Clausius-Claperyron equation may be integrated assuming a temperature independent enthalpy: ſ“ din p = 6 REJ...
2. The Clausius-Claperyron equation may be integrated assuming a temperature independent enthalpy: ſ“ din p = 6 REJAT In P2 AH 1 11 RTTI Use the Clausius-Clapeyron equation to determine the boiling point of water on top of Mt. Whitney given the following information. Avap Hm(H2O) = 40.7 kJ/mol, p(Mt. Whitney) = 5.88 x 10' Pa, and Tvap = 373 K in San Rafael at a pressure of 1.02 x 10 Pa. In the following questions, we will estimate the...
8. (a) Use the Clausius-Clapeyron equation and calculate the vapor pressure (mm Hg) of butanone at 45 °C, given that the vapor pressure is 100 mm Hg at a temperature of 25 °C. The enthalpy of vaporization of butanone is 34.0 kJ/mol. (b) Calculate the enthalpy of vaporization for a compound if its vapor pressure is 26 mm Hg at 20°C and 167 mm Hg at 55 °C.
15. According to the Clausius-Clapeyron equation ln va R T T P"арф) refers to the vapor pressure at temperature 1, R-2 cal/mol-K, and Ah is the heat of changc associated with the process of transitioning to the vapor (cither sublimation or vaporization depending on whether the transition is from solid to vapor or liquid to vapor) i.e., дН-H vapor-H , where X is either solid or liquid and H denotes the corresponding molar enthalpy. Use the Clausius-Clapeyron equation to solve...
Determine enthalpy of vaporization graphically using the Clausius-Clapeyron equation. The vapor pressure of pentane (C5H12) has been measured over a range of temperatures. (a) Which of the following should give a linear plot (temperatures in K)? On the x-axis: — On the y-axis: C (b) When the appropriate plot is made, the resulting straight line has a slope of -3.38x103 K. Use this information to determine AHvap for C5H12. kJ/mol Check & Submit Answer Show Approach
The vapor pressure of benzene is found to obey the empirical equation torr T T2 In (P) = 16.725 – 3229.86 K _ 118345 K? from 298.2 K to its normal boiling point 353.24 K. Given that the molar enthalpy of vaporization at 353.24 K is 30.8 kJ mol-1 and that the molar volume of liquid benzene at 353.24 K is 96.0 cm3 mol-1, use the above equation to determine the molar volume of the vapor at its equilibrium pressure...
2. The vapor pressure, p, of nitric acid varies with temperature as follows: t/°C 0 20 40 50 70 80 90 100 p/kPa 1.92 6.38 17.7 27.7 62.3 89.3 124.9 170.9 Plot and manipulate these data points in excel and answer the following questions. (a) (3 points) What is the boiling point at 100 kPa? How do you get it? (b) (6 points) What is the enthalpy of vaporization of nitric acid? How do you get it?
2. The Clausius-Claperyron equation may be integrated assuming a temperature independent enthalpy: ſ“ din p = 6 REJAT In P2 AH 1 11 RTTI Use the Clausius-Clapeyron equation to determine the boiling point of water on top of Mt. Whitney given the following information. Avap Hm(H2O) = 40.7 kJ/mol, p(Mt. Whitney) = 5.88 x 10' Pa, and Tvap = 373 K in San Rafael at a pressure of 1.02 x 10 Pa. In the following questions, we will estimate the...
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