Predict the boiling point of bromine, in degrees Co, at 1 atmosphere pressure.
Br2(l)⇌Br2(g)
Ho = 38 kJ/mol,
So = 113 J/mol K
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Predict the boiling point of bromine, in degrees Co, at 1 atmosphere pressure. Br2(l)⇌Br2(g) Ho =...
A Reaction is given: ½Br2(l) --> Br(g) Ho = 112kJ/mol The bond enthalpy of Br-Br is 193 kJ/mol A. Formulate the vaporization process of 1 mol bromine Br2(l). B. Calculate the enthalpy of the vaporization process bromine. Show calculations C. Calculate the energy invested \ emitted by the evaporation of 3.2 gr of bromine. Show calculations. (Explain how you determined whether the energy is invested or emitted in this process). D.A Reaction is given: ½H2(g) + ½Br2(l) --> HBr(g) Ho...
196 The normal boiling point of Br2(l) is 58.8 ∘C, and its molar enthalpy of vaporization is ΔHvap = 29.6 kJ/mol. a) When Br2(l) boils at its normal boiling point, does its entropy increase or decrease? b) Calculate the value of ΔS when 1.50 mol of Br2(l) is vaporized at 58.8 ∘C. ΔS= (answer in J/K)
Delta G f(CO)= -137.3 kJ/molDelta G f(CH3OH)= -166.3 kJ/molDelta H f(CO)= -110.5 kJ/molDelta H f(CH3OH)= -238.7 kJ/molS(CO)= 197.9 J/K molS(CH3OH)= 126.8 J/K molCalculate Delta G at 25 Degrees Celcius.
The normal boiling point of Br2(l) is 58.8 ∘C, and its molar enthalpy of vaporization is ΔHvap = 29.6 kJ/mol. Calculate the value of ΔS when 4.00 mol of Br2(l) is vaporized at 58.8 ∘C.
Carbonyl bromide decomposes to carbon monoxide and bromine. COBr2(g) = CO(g) + Br2(g) Kc is 0.190 at 73 °C. If you place 0.514 mol of COBr2 in a 1.00-L flask and heat it to 73 °C, what are the equilibrium concentrations of COBr2, CO, and Br? [COBr2] = mol/L [CO] = mol/L [Bry] = mol/L The equilibrium constant for the dissociation of iodine molecules to iodine atoms 12(g) = 2 (g) is 3.76 x 10-3 at 1000 K. Suppose 0.338...
The flourocarbon compound C2Cl3F3 has a normal boiling point of 47.6oC. The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively. The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 50.0 grams of C2Cl3F3 from a liquid at 10 degrees Celcius to a gas at 85 degrees celcius.
5. Calculate the heat (in kJ) required to transform 70.80 g of bromine from a solid at a temperature of -7.2 °C to a gas at 92 °C. Report your answer to one decimal place. Data: Molar mass of bromine, Br 2 = 159.808 g/mol Melting point = -7.2 °C Boiling point = 59°C. Enthalpy of fus ion = 10.57 kJ/mol Enthalpy of vaporization = 29.96 kJ/mol. Molar heat capacity of the liquid phase = 75.7 J/mol • K Molar...
Consider the reaction: 2HBR(g) >H2(g) + Br2() Using standard thermodynamic data at 298K, calculate the free energy change when 1.51 moles of HBr(g) react at standard conditions AG° kJ rxn AHof (kJ/mol) AG°F (kJ/mol) s° (J/mol K) Beryllium Вe(s) 0 9.5 -569.0 ВeO(s) -599.0 14.0 Be(ОН)2(s) -902.5 -815.0 51.9 AH°f (kJ/mol) AG°f (kJ/mol) s° (J/mol K) Bromine Br(g) 111.9 175.0 82.4 Br2() 152.2 0 0 Br2(g) 30.9 3.1 245.5 Br2(aq) -3.0 4.0 130.0 -121.0 -175.0 82.0 Br (aq) BrF3(g) -255.6...
3. The normal boiling point for the chloro-fluoro- hydrocarbon C,C1,F3 is 47.6°C: C C1,F3(1) C_C1zFz (g) We have []Hºvap = 27.49 kJ/mol. What is [Sºvap for the vaporization of C ClzFz at its normal boiling point? a) b) c) d) 33.1 J/K mole 5.2 J/K mole 71.2 J/K mole 85.7 J/K mole 4. For the following chemical reaction: H2(g) + CO(g) CH,Og) we have [H°(298) = 1.9 kJ/mole and [S°(298) = -109.6 J/Kmole. What is []Gº(298) for this reaction? a)...
Freon-113, C2Cl3F3, has an enthalpy of vaporization of 27.0 kJ/mol and a normal boiling point of 48.0 °C. What is the vapor pressure (in atm) of Freon-113 at 39.5 °C? (R = 8.314 J/K×mol) 1.00 atm 4.75E-7 atm 1.32 atm 0.760 atm 0.102 atm