Gallium has a melting point of 29.8oC and an enthalpy of fusion of 5.59 kJ/mol. Calculate...
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)
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Gallium has a melting point of 29.8oC and an enthalpy of fusion
of 5.59 kJ/mol. Calculate...
18. Gallium metal has a heat of fusion, Hlusion, equal to 5.59 kJ/mol and a normal...
18. Gallium metal has a heat of fusion, Hlusion, equal to 5.59 kJ/mol and a normal melting point of 305 m. Calculate AS (in units of J/(K mol) when 1.000 mol of gallium melts at its melting point. A. -1.69 J/(K: mol) B. +1.69 J/(K: mol) C. +1.29 J/(Kmol) D. +18.4 J/(Kmol) E. -18.4 J/(K mol) 19. Which of the following is true when a system is at equilibrium? A. T = AH/AS B. AG=0 C. Q = keq D....
The enthalpy of fusion of cadmium at its normal melting point of 321 °C is 6.11...
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...
The element gallium (Ga) freezes at 29.8 C, and its molar enthalpy of fusion is ?Hfus= 5.59kJ/mol . 1. When molten gal...
The element gallium (Ga) freezes at 29.8 C, and its molar enthalpy of fusion is ?Hfus= 5.59kJ/mol . 1. When molten gallium solidifies to Ga(s) at its normal melting point, is ?S positive or negative? 2. Calculate the value of ?S when 70.0g of Ga(l) solidifies at 29.8�C. ?S= ?
The enthalpy of fusion for benzene (C6H6) is 9.937 kJ/mol, and the entropy change for fusion...
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 molar enthalpy of fusion of solid bismuth is 11.0 kJ mol-1, and the molar entropy...
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 normal melting point of sodium chloride is 801°C, its enthalpy of fusion is 28.8 kJ/mol,...
The normal melting point of sodium chloride is 801°C, its enthalpy of fusion is 28.8 kJ/mol, the density of the solid is 2.165 g/ml, and the density of the liquid is 1.733 g/ml. What pressure in atm is required to raise the melting point by 1.00°C? Nume Answer: You are incorrect 0.0393
The enthalpy of fusion of manganese at its normal melting point of 1244 ? is 14.6...
The enthalpy of fusion of manganese at its normal melting point of 1244 ? is 14.6 kJ mol-1 What is the entropy of fusion of manganese at this temperature? ASfus Jmol K
The enthalpy of fusion of bismuth at its normal melting point of 271 °C is 11.0...
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
For benzene, C6H6, the heat of fusion at its normal melting point of 6 °C is...
For benzene, C6H6, the heat of fusion at its normal melting point of 6 °C is 10.0 kJ/mol. The entropy change when 1.86 moles of liquid C6H6 freezes at 6 °C, 1 atm is ? J/K.
The enthalpy of fusion for benzene (C6H 6, 78.0 g/mol) is 127.40 kJ/kg, and its...
The enthalpy of fusion for benzene (C6H6, 78.0 g/mol) is 127.40 kJ/kg, and its melting point is 5.5°C. What is the entropy change when 1 mole of benzene melts at 5.5°C?
18. Gallium metal has a heat of fusion, Hlusion, equal to 5.59 kJ/mol and a normal melting point of 305 m. Calculate AS (in units of J/(K mol) when 1.000 mol of gallium melts at its melting point. A. -1.69 J/(K: mol) B. +1.69 J/(K: mol) C. +1.29 J/(Kmol) D. +18.4 J/(Kmol) E. -18.4 J/(K mol) 19. Which of the following is true when a system is at equilibrium? A. T = AH/AS B. AG=0 C. Q = keq D....
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...
The normal melting point of sodium chloride is 801°C, its enthalpy of fusion is 28.8 kJ/mol, the density of the solid is 2.165 g/ml, and the density of the liquid is 1.733 g/ml. What pressure in atm is required to raise the melting point by 1.00°C? Nume Answer: You are incorrect 0.0393
The enthalpy of fusion of manganese at its normal melting point of 1244 ? is 14.6 kJ mol-1 What is the entropy of fusion of manganese at this temperature? ASfus Jmol K
The enthalpy of fusion for benzene (C6H6, 78.0 g/mol) is 127.40 kJ/kg, and its melting point is 5.5°C. What is the entropy change when 1 mole of benzene melts at 5.5°C?
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