Consider the reaction: Ca(OH)2 (aq) + 2HCl(aq) → CaCl2 (s) + 2H₂O(1) Using standard thermodynamic data at 298 K, calculate the entropy change for the surroundings when 2.04 moles of Ca(OH)2 (aq) react at standard conditions. AS⁰⁰ Substance AH(kJ/mol) Ca(OH)2 (aq) -1002.8 HCl(aq) -167.2 CaCl₂ (s) -795.8 H₂O (1) -285.8 surroundings J/K

Q: From the table of the standard entropy values, calculate the standard entropy changes for the…

A: Temperature = 25°c = 298 K S°H2 = 131  J/K.mol S°Cl2 = 223 J/K.mol S°HCl = 187 J/K.mol

Q: Using the equilibrium data shown below for benzene-toluene system at 1 atm with relative volatility…

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A: Given thatPT =105  Nm2PA1 =13 x 103  Nm2PA2 =6500  Nm2T =0 C =273.15 kDAB  =1.85 x 10-5  m2sz =0.002…

Q: 30. Examine the nanoscale diagrams and the phase diagram below. Match each particulate diagram (1…

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Q: (b) Calculate the ent 2Cu(s) + O2(g) 25(s) + 302(g) CuO (s) + SO3(E

A: Given that there is reaction given and its enthalpy is also given

Q: For each of the following reactions, calculate AG from their reaction enthalpy and reaction entropy…

A:

Q: Develop the net ionic equation for the reaction between hydrochloric acid solution and a solution of…

A: Given that there is reaction between HCl and sodium acetate then write net ionic equation

Q: Determine the standard heat of each of the following reactions at 25°C (a) N2(g) + 3H2(g) → 2NH3(8)…

A:

Q: 2. A 100-L constant-volume reactor is evacuated and then filled with 1 mole of dinitrogen tetraoxide…

A: Given data: Initial number of moles of N2O4 = 1 mol T = 298 K

Q: There are many different hydrocarbons that are used as fossil fuels. For each of the following…

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Q: Separation of Propylene–Propane by Adsorption.Propylene (A) and propane (P) are separated by…

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Q: Using the following data, estimate AHf° (in kJ/mol) for potassium chloride: K(s) + ½ Cl2(g) →…

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Q: 3. Consider the titration Ba(OH)2 (aq) + 2 HNO3 (aq) → Ba(NO3)2 (aq) + 2 H2O (1). The equivalence…

A: Write the reaction as follows: BaOH2aq + 2HNO3aq → BaNO32aq + 2H2Ol 1 mole of BaOH2 reacts with 2…

Q: 12.33. The solubility of nonpolar gases in liquid water is typically very low. Consider nitrogen in…

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Q: Consider the following gas phase reaction that occurs within a new reactor for the conversion of…

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A:

Q: The standard Gibbs energy of formation of NH3(g) at 298 K is –16.6 kJ mol-1. Based on this data, ,…

A: Given: The standard Gibbs free energy of formation of ammonia at T = 298 K∆Gf  =  -16.6 kJ/mol;…

Q: KC103 (s) → KC1O, (s) + KCI (s)

A:

Q: 1. Substance 2. AH, kJ/mol 3. Substance 4. AH, kJ/mol 5. ZnS(s) 6. -202.9 7. SO2(g) 8. -296.4 9.…

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Q: 14.1. Dry ice is a solid form of carbon dioxide that at standard conditions sublimates to a gas. A…

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Q: The vapour-phase hydration of ethylene to ethanol is represented by: C₂H4 (g) + H₂O(g) → C₂H₂OH(g)…

A:

Q: Calculate the concentration of vacancies in copper at room temperature (25°C). What temperature will…

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Q: 1. An impure sample of compound A is contaminated with two impurities B and C. The sample is to be…

A:

Q: Consider the dissociation of methane to graphite (C) and hydrogen gas. For the methane at 298K, the…

A: Given that: At 298 K Standard heat of formation for methane, ∆fH⁰CH4(g) = -74.85 kJ/mol = -74850…

Q: Molecular bromine is 24 percent dissociated at 1600 K and 1.00 bar in the equilibrium Br₂(g) 2Br(g).…

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Q: At the pressure of 2.00 atm, the enthalpy of fusion is 1.62 kJ/mol at freezing point 152.51 K and…

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Q: The water-gas-shift reaction reaches equilibrium at 800°C and 1 bar is given by the following…

A:

Q: The equilibrium constant for the reaction of nitrogen and hydrogen to give ammonia is 0.118 at 745…

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Q: For an equilibrium mixture obtained for the following reaction at 3000 K 2 CO2 (g) = 2 CO (g) + O2…

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Q: 13. When graphite burns in sufficient supply of oxygen it produces carbon dioxide. Determine the…

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Q: The standard free energy of formation of boron carbide (B4C) is 71 kJ mol-1. Determine the standard…

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Q: The decomposition of crystalline N,O, N,0,(s) → 2NO,(g) + 0,(g) is an example of a reaction that is…

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Q: Copper reacts with iodine in a similar reaction from what was done in lab to produce copper(I)…

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Q: Consider the combustion of propane: C3H8(g) + 502(g) → 3CO2(g) + 4H2O(I) ΔH = -2221 KJ Assume that…

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A: from given reaction,                                     4HBr (g) +O2 (g)→2 H2O (g) +2 Br2 (g) we…