At equilibrium at 25°C, the concentration of the monomer is 2 M and the concentration of the dimer is 10 M. Calculate the standard free energy change for the dimerisation process at T°C.
2(monomer) ⇌ dimer
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At equilibrium at 25°C, the concentration of the monomer is 2 M and the concentration of...
In the gas phase, acetic acid exists as an equilibrium of monomer and dimer molecules. (The dimer consists of two molecules linked through hydrogen bonds.) The equilibrium constant, Kc , at 25 °C for the monomer-dimer equilibrium 2CH3CO2H↔(CH3CO2H)2 has been determined to be 3.2x104. Assume that acetic acid is present initially at a concentration of 8.3x10-4 mol/L at 25 °C and that no dimer is present initially. a.) What percentage of the acetic acid is converted to dimer Percentage =...
Question We have a solution that has a concentration of 0.340 M for Alaq) and 0.599 M for B(aq). There are no other solutes initially. The reaction 2 A(aq) + (aq) --> 2 Claq) + (aq) takes place. At equilibrium, the concentration of Claq) is 0.160 M. What is the equilibrium constant of this reaction? For the reaction 2 Alaq) + Cla), the standard Gibbs free enthalpy change is 141 kJ at 25°C. The initial concentration of Alaq) is 0.540...
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QUESTION 31 (5 marks) The equilibrium constant at 37°C for the reaction cisaconitate isocitrate 2.5. reaction mixture is prepared with isocitrate at a concentration of 0.2 M, and cisaconitate at a concentration of 0.001 M. Which species is favoured (present in greater amount) when the system is at equilibrium? fraducts Calculate the free energy change for this reaction under these conditions. G RT E -3 x 10 x 2 . C .31 XiD G 20-1 Answer...
What is the value of the equilibrium constant at 25 °C for a reaction that has a standard free-energy change, ΔG°, equal to 180 kJ?
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11.The equilibrium constant for the reaction below at 25 °C is 56. If the concentration of both HI and H2 are 0.010 M at equilibrium, what is the equilibrium concentration of iodine? H2fg) + 12fg)2 HI(g a. 1.8 x 106 b. 1.8 x 10-4 c. 0.010 d. 5.6 x 10
At 25 °C, an aqueous solution has an equilibrium concentration of 0.00161 M for a generic cation, A + ( aq ) , and 0.000805 M for a generic anion, B 2 − ( aq ) . What is the equilibrium constant, K sp , of the generic salt A 2 B ( s ) ? K sp =
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The isomerization of dihydroxyacetone phosphate to glyceraldehyde 3-phosphate has an equilibrium constant of 0.0475 under the following standard conditions (1 atm, 298K, pH 7). Calculate the standard free energy change for this isomerization. (2 points) Calculate the free energy of this reaction inside of a cell where the initial concentration of dihydroxyacetone phosphate is typically 2 x 10-4 M and the initial concentration of glyceraldehyde-3- phosphate is typically 3μM. (4 points) Extra credit (2 points): What do the values above...