Question 2 A N2(1)/CO2(2) gaseous mixture which contains 0.04 mol of N2 and 0.04 mol of а) CO2 in a volume of 0.001 m at a temperature of 25°C. The second virial coefficients at this temperature have...


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Question 2<br>A N2(1)/CO2(2) gaseous mixture which contains 0.04 mol of N2 and 0.04 mol of<br>а)<br>CO2 in a volume of 0.001 m at a temperature of 25°C. The second virial coefficients at<br>this temperature have the values<br>B11<br>-4.8×10-6 m/mol<br>B22 -124.5×106 m²/mol<br>B12 -47.5x106 m²/mol<br>Compare the pressure (in Pa) of the real gas with ideal gas and give comment.<br>b)<br>The partial molar volume of benzene (1) in cyclohexane (2) at 30 °C is given by the<br>following expression:<br>V, = 92.6 – 5.28 x, + 2.64 xỉ<br>(cm/mol)<br>Find the partial molar volume of cyclohexane (V2) and total volume (V) at x1 = 0.3. Molar<br>volume of pure cyclohexane (V2) is 109.44 cm /mol.<br>N.B. Use Gibbs/Duhem equation at constant temperature and pressure.<br>Determine the standard boiling point of benzene and its molar enthalpy of<br>vaporization at 298.15K.<br>

Extracted text: Question 2 A N2(1)/CO2(2) gaseous mixture which contains 0.04 mol of N2 and 0.04 mol of а) CO2 in a volume of 0.001 m at a temperature of 25°C. The second virial coefficients at this temperature have the values B11 -4.8×10-6 m/mol B22 -124.5×106 m²/mol B12 -47.5x106 m²/mol Compare the pressure (in Pa) of the real gas with ideal gas and give comment. b) The partial molar volume of benzene (1) in cyclohexane (2) at 30 °C is given by the following expression: V, = 92.6 – 5.28 x, + 2.64 xỉ (cm/mol) Find the partial molar volume of cyclohexane (V2) and total volume (V) at x1 = 0.3. Molar volume of pure cyclohexane (V2) is 109.44 cm /mol. N.B. Use Gibbs/Duhem equation at constant temperature and pressure. Determine the standard boiling point of benzene and its molar enthalpy of vaporization at 298.15K.

Jun 08, 2022
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