½ O₂ + 2H+ +2 e → H₂O FAD + 2H+ + 2e → FADH₂ E'º = 0.816V E'º = -0.219V Calculate the AG" of the following reaction: FAD + H₂O → FADH₂ + 1/2 0₂. A. -200 kJ/mol B. -100 kJ/mol C. 50 kJ/mol D. 100 kJ/mol E. 200 kJ/mol
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- You just made a 1.5M permanganate solution. What concentration is your potassium permanganate solution in percent? "K: 39.10 g/mole" "Mn: 54.94 g/mole" "O: 16 g/mole" "MW of KMnO4 is 158.04 g/mole" O a. 0.24% Ob. 20.1% O c. 15.8% O d. 23.7% O e. 2%The energy of activation for the reaction 2 HI – H2 + I2 is 180. kJ•mol-1 at 544 K. Calculate the rate constant using the equation k = Ae-EalRT. The collision diameter for HI is 3.5×10-8 cm. Assume that the pressure is 1.00 atm. 4.0 4.510e-27 X M-1.s-1Titanium dioxide, which is the most common white pigment in paint, can be produced from the titanium mineral, rutile, by chlorination to TiCl4, followed by oxidation to TiO2. To purify the insoluble titanium dioxide, it is washed free of soluble impurities in a continuous, countercurrent system of thickeners with water. Two hundred thousand kg/h of 99.9 wt% titanium dioxide pigment is to be produced by washing, followed by filtering and drying. The feed contains 50 wt% TiO2, 20 wt% soluble salts and 30 wt% water. The wash liquid is pure water at a flow rate equal to that of the feed on a mass flow basis .Determine the number of ideal stages using the McCabe-Smith method. kg solute/kg solution kg solution/kg TiO2 0.0 0.30 0.2 0.34 0.4 0.38 0.6 0.42
- Consider the following reaction at 25°C with the ΔG°’ = +1800 J/mol for the forward reaction.The molar concentrations at the beginning of the reaction were [A] = 19 mM and [B] = 10 mM.After 1 hour, the concentrations were [A] = 16 mM and [B] = 13 mM. Calculate the ΔG of the reaction at the 1 hour timepoint. Please round to 1 decimal point.Gas constant = 8.315 J/mol KA stock solution of drug Y is available at 10%w/v. You need to dilute this with Syrup, BP in order to supply a patient with a solution containing 5mg/mL of drug Y. Assuming no volume displacement effects, what is your formula for the preparation of 100 mL of the final solution?In a neutral solution, the [H*] is : * 1.0x10-14M zero 1.0×107M O 1.0x10-7M
- At 298 K the standard enthalpy of combustion of sucrose is −5797 kJ mol−1 and the standard Gibbs energy of the reaction is −6333 kJ mol−1. Estimate the additional non-expansion work that may be obtained by raising the temperature to blood temperature, 37 °C.Two solutions, 250.0 mL of 1.00 M CaCl2(aq) and 250.0 mL of 1.00 M K2SO4(aq), are combined, and the temperature decreased by 2.40 degrees C. Determine qrxn per mole of CaSO4(s) formed in the reaction. A) +12.0 kJ/mol B) -12.0 kJ/mol C) +6.00 kJ/mol D) -6.00 kJ/molQuinoline is isolated from a reaction mixture by the process of steam distillation. A mixture of quinoline and water distils at a total pressure of 740 mm Hg at 98.96°C. The vapour pressure of water (Po) is 732.04 mm Hg at this temperature. What is the maximum number of grams of quinoline which can be distilled with a 1000g of watervapour under a pressure of 740 mm Hg.
- A reaction at 23°C has ∆G = 1 kJ mol–¹. Why might this reaction become spontaneous at 37°C?What volume of 0.1M NaOH (reagent) needs to be added to increase your 7.5 pH (buffer) by 0.5 pH units. The goal is to further purify MOPs (see image). Protonated form = 6.6 x 10.3^-3 mol/L Deprotonated form = 1.32 x 10^-2 mol/L Show calculations.PROBLEM 12.27 (a) Use Table 12.5 to calculate the osmotic pressure of the hemodi- alysis solution at 25 °C. (b) If the osmotic pressure of blood at 25 °C is 7.70 atm, what is the direction of solvent movement across the semipermeable mem brane in dialysis? (Blood to dialysis solution or dialysis solution to blood)