Use the two-point version of the Clausius-Clapeyron equation. The vapor pressure of liquid iron is 400. mm Hg at 2.89x103 K. Assuming that AHvap for Fe (351 kj/mol) does not change significantly with temperature, calculate the vapor pressure of liquid Fe at 2.91*10³ K. Check & Submit Answer Show Approach mm Hg
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- Question 9 of 11 Submit Determine AS for the phase change of 1.10 moles of water from solid to liquid at 0°C. (AH = 6.01 kJ/mol) J/K 1 2 3 4 6. C 7 8 +/- x 10 0 Tap here or pull up for additional resources LOThe vapor pressure of the liquid HF is measured at different temperatures. The following vapor pressure data are obtained. Temperature, K P, mmHg 356.6 272.9 289.9 684.0 Calculate the enthalpy of vaporization (AHvap) in kJ/mol for this liquid. Submit kJ/mol Show Approach Hide Tutor StepsArroughly what pressure antl temperanure will diamond. graphite, and liquid carbon all exist in equilibrium? Solid i Diamondy bar T= Grapaile Which solid form of carbon is mure dense? diamond graphite
- Use the two-point version of the Clausius-Clapeyron equation. Close Problem The vapor pressure of liquid lead is 400. mm Hg at 1.90×10³ K. Assuming that AHvap for Pb (181 kJ/mol) does not change significantly with temperature, calculate the vapor pressure of liquid Pb at 1.92×10³ K. mm HgPressure Ous. To ng plants, Hg is cooled solvelll reduce uIO uun also be oxidized to pressure 12.83 Consider the phase responds to the triple point? (c) What curve corresponds to conditions at which the solid ard gas are in equilibrium? (d) Describe what happens when you start at point A and increase the temperature at constant pressure. (e) Describe what happens when you start at point H and decrease the pressure at constant temperature. (f) Is liquid X more or less dense than solid X? 3 ructure furfuryl alc ice and has 10-8 cm. D. lement. Aor, insulator, or germanium. emperature on the tium: (e) bismuth. B. •C o prodict the relative 2=37), vanadium furyl whlC şimi- nmes in Temperature15 Figure below shows the phase diagram of water. А „H „F „G D T Fig. 7.1 (a) (b) Which curve represents the equilibrium between ice and water vapour? State the phase changes when a sample at point E is heated at constant pressure until point F is reached. (hint: draw and label new points in your diagram to explain your answer) Name the point at which the BC line intersects 1 atm line. The BC line has a negative slope. Explain. (c) (d) 8.
- The vapor pressure of the liquid CaH10 is measured at different temperatures. The following vapor pressure data are obtained. Temperature, K P, mmHg 251.1 325.5 267.4 626.0 Calculate the enthalpy of vaporization (AH) in kl/mol for this liquid. ka/mol Submit Show Approach Show.hator StsA certain liquid has a vapor pressure of 92.0 Torr at 23.0 "C and 315.0 Torr at 45.0 "C. Calculate the value of AH for this liquid. %3D kl/mol Calculate the normal boiling point of this liquid. boiling point:A mixture of HI, H2, and 1, in a closed container at 448°C has these initlal partial pressures: H2 (g) 1.5 atm, 1; (g) - 1.2 atm, HI (g) - 18.5 atm. Determine the condition of the mixture assuming this reaction takes place. 2HI (g) = H, (g)+12 (g) K, - 1. 98 x 10-2 O (A) AG > 0 O (B) At equilibr lum the concentration of reactant will be smaller than product O (C) The mixture is spontaneously making products O(D) The mixture is spontaneously making reactants O(E) The mixture is at equilibrium Submit
- At 1.0 atm pressure, ice (solid H2O) floats in water instead of sinking. The reason for this is the critical temperature has a higher temperature than the normal boiling point. the triple point corresponds to a pressure below 1 standard atmosphere. C) the fusion process is endothermic, therefore the solid will float. D) when water freezes, it expands instead of contracting. the triple point has a lower temperature than the freezing point for water.,Determine enthalpy of vaporization graphically using the Clausius-Clapeyron equation. The vapor pressure of iodomethane (CH3I) 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: (b) When the appropriate plot is made, the resulting straight line has a slope of -3.65x10° K. Use this information to determine AHvap for CH3I. kJ/mol Check & Submit Answer Show Approach Example Problem 11.2.5 Use the two-point version of the Clausius-Clapeyron equation The vapor pressure of liquid aluminum is 400. mm Hg at 2590 K. Assuming that AHvap for Al (29 change significantlv with temperature.calculate the vapor pressure of liauid Al at 2560 K. tv Ahulu WGiven that Hvap is 58.2 kJ/mol, and the boiling point is 83.4C, 1atm, if one mole of theis substance is vaporized at 1atm, calculate Ssurr.