
1. At 1 bar the boiling point of potassium is 1046 K and AH'ap = 79.87...
Physical Chemistry, please show all work and explanations
1. At 1 bar the boiling point of potassium is 1046 K and AH = 79.87 kJ mol"! a) What is AS ap? b) What is the vapor pressure of liquid potassium at 673 K?
The following information is given for n-pentane, C5H12, at 1am boiling point = 36.2°C AHyap(36.2 °C) = 25.8 kJ/mol specific heat liquid = 2.28 J/gºC At a pressure of 1 atm, what is AH in kJ for the process of condensing a 38.4 g sample of gaseous n-pentane at its normal boiling point of 36.2 °C The following information is given for ethanol, C,H,OH, at 1am: boiling point = 78.4°C AH ap(78.4 °C) = 38.6 kJ/mol specific heat liquid =...
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.
The following information is given for ether, C2H30C2H5, at 1 atm: boiling point = 34.6 °C AH ap(34.6 °C) = 26.5 kJ/mol melting point =-116 °C AH fus(-116 °C) = 7.27 kJ/mol specific heat liquid = 2.32 J/gºC At a pressure of 1 atm, kJ of heat are needed to vaporize a 35.6 g sample of liquid ether at its normal boiling point of 34.6 °C.
1. The normal boiling point of benzene (i.e., at 1 atm) is 80.09 °C. The molar enthalpy of vaporization is 30.72 kJ mol . Assuming that AvapHm and AvapSm stay constant at their values at 80.09°C, calculate the values of AvapGm at 75.0 °C, 80.09 °C and 85.0 °C. Given your calculated values, do you still expect benzene to spontaneously condense at 75.0 °C and to spontaneously evaporate at 85.0°C? -1 2. The vapor pressure of a liquid was measured...
The normal boiling point of liquid butanol is
391 K. Assuming that its molar heat of
vaporization is constant at 45.9 kJ/mol, the
boiling point of C4H9OHwhen
the external pressure is 0.603 atm is ________
K.
The normal boiling point of liquid pentane is 309 K. Assuming that its molar heat of vaporization is constant at 28.3 kJ/mol, the boiling point of C5H12 when the external pressure is 0.714 atm is ______ K.
The normal boiling point of liquid octane is 399 K. Assuming that its molar heat of vaporization is constant at 36.5 kJ/mol, the boiling point of C8H18 when the external pressure is 0.631 atm is ____ K.
A liquid has a ΔH ovap of 34.7 Kj/mol and a boiling point of 128C at 1atm. what is its vapor pressure at 101C
s. Consider propane, which has a normal boiling point of -42.0°C and a heat of vaporization of 19 kJ/mol. What is the vapor pressure at 25.0°C? 6. Atmospheric pressure on the surface of Mars averages 600 Pa (6 mbar) Use the phase diagram for water below to determine the boiling and melting points for water on the surface of Mars, assuming an atmospheric pressure of 800 Pa. Note that this chart uses a logarithmic scale, so the axes major unit...