Calculate the freezing point given the molar enthalpy is 12kJ/mol and the entropy of fusion is 45 J/K*mol.
At freezing there will be a equilibrium between the solid and
liquid phases. And at equilibrium delta G is zero . From this we
can calculate the freezing temperature.
Calculate the freezing point given the molar enthalpy is 12kJ/mol and the entropy of fusion is...
The molar enthalpy of fusion of solid bismuth is 11.0 kJ mol-1, and the molar entropy of fusion is 20.2 J K-1 mol-1. (a) Calculate the Gibbs free energy change for the melting of 1.00 mol of bismuth at 575 K. kJ (b) Calculate the Gibbs free energy change for the conversion of 5.12 mol of solid bismuth to liquid bismuth at 575 K. kJ (c) Will bismuth melt spontaneously at 575 K? (d) At what temperature are solid and...
The enthalpy of fusion for benzene (C6H6) is 9.937 kJ/mol, and the entropy change for fusion is 35.7 J/(mol K). What is the normal melting point for benzene in degree Celsius?
The enthalpy of fusion of cadmium at its normal melting point of 321 °C is 6.11 kJ mol? What is the entropy of fusion of cadmium at this temperature? ASfus = J mol-K-1 The molar enthalpy of fusion of solid cadmium is 6.11 kJ mol-1, and the molar entropy of fusion is 10.3 JK+mol-1. (a) Calculate the Gibbs free energy change for the melting of 1.00 mol of cadmium at 622 K. (b) Calculate the Gibbs free energy change for...
When a certain liquid of molar mass 46.1 g/mol freezes at -3.65 degrees celsius its density changes from 0.789 g/cm^3 to 0.801 g/cm^3. Its enthalpy of fusionis 8.68 kJ/mol. Estimate the freezing point of the liquid at 100 MPa.
( P4B.7 The enthalpy of fusion of mercury is 2.292 kJ mol' at its normal freezing point of 234.3 K; the change in molar volume on melting is +0.517 cm'mol. At what temperature will the bottom of a column of mercury (mass density 15.6g cm) of height 10.0 m be expected to freeze? The pressure at a depth a in a fluid with mass density pis pgd, where g is the acceleration of free la 9.81 m s?
The enthalpy of fusion of bismuth at its normal melting point of 271 °C is 11.0 kJ mol-1. What is the entropy of fusion of bismuth at this temperature? ΔSfus = J mol-1 K-1
calculate change in entropy and change in enthalpy for freezing 1 mol of water at -10C and 1 atm. Cp,m is 75.3J/kmol for liquid water and 37.7J/Kmol for ice
The normal boiling point of acetone [(CH3)2CO; MW 58.08 g/mol]
is 56.1°C, and its molar enthalpy of vaporization is 29.1
kJ/mol.
What is the molar entropy of vaporization of 72.3 g of
acetone?
molar ΔSvap = _____ J/(mol•K)
What is the total entropy of vaporization of 72.3g of
acetone?
total ΔSvap = J/K
Be sure to answer all parts. The molar heats of fusion and vaporization of a certain substance are 2.89 kJ/mol and 8.84 kJ/mol, and its melting point and boiling point are -177°C and -141°C, respectively. Calculate the entropy changes for fusion (solid to liquid) and vaporization (liquid to gas). ASfus J/K mol AS vap = J/K mol
Gallium has a melting point of 29.8oC and an enthalpy of fusion of 5.59 kJ/mol. Calculate the change in entropy of the system, surroundings, and universe to show that the following process is spontaneous if 10.0 grams of liquid gallium is left in a 20.0oC room.Ga (l, 29.8oC) --> Ga (s, 29.8oC)