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Write an expression for d[A2]/dt. b) Apply the steady state approximation to A* and derive an expression for the steady state concentration of A*. c) Use the results of a and b to write an expression for d[A2]/dt in terms of only [A] and various constants. d) If we define the quantum yield as ? = d[A2]/dt / Ia , develop an expression for the quantum yield of the reaction. e) If the fluorescence is minimal (k3 = 0), what would be the value of?
A 0.00400 mole sample of 2-chloro-2-methylpropane is added to 500 mL of water, and the mixture is stirred until the pH levels off. What is the pH of the solution.
An experiment shows that a 248 -mL gas sample has a mass of 0.433 g at a pressure of 749 mmHg and a temperature of 29*C. What is the molar mass of the gas
Calculate the number of moles of cytochrome c3+ (Fe3+) formed from cytochrome c2+ (Fe2+) with the Gibbs energy derived from the oxidation of 1 mole of glucose
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. Heat capacity of H2O(s) 37.7 J/(mol X K) Heat capacity of H2O(l) 75.3 J/(mol X K) Enthalpy of fusion H2O 6.01 KJ/m..
Calculate the total salt concentration (in mole litre-1) of a cup of soup assuming that both the sodium and potassium are added as chloride salts. What is the concentration of chloride in gram per 100 mL?
A volume of 60.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 24.7mL of 1.50 M H2SO4 was needed?
Using the data in your textbook, calculate the concentrations of the molecular and ionic species and the pH in aqueous solution that has a formal composition of 0.0700 M KH2PO4 + 0.5500 M K2HPO4.
How many seconds after the start of the reaction does it take for the reactant concentration to decrease to 0.0185 M?
Electron Donor and Receptor in Metal Complexes, In the first step of the catalytic cycle, the alkene bonds to palladium to make a new metal complex The alkene is now a ligand because the pi-bond of the alkene is donating some of its electrons to p..
What is the absolute humidity of the cooled air? and What is the minimum mass flow rate of water into the swamp cooler?
Molecular chlorine, Cl2, is a green gas. Sketch a few of the rotational, vibrational, and electronic energy levels of Cl2 on the same diagram to relative scale.
The property you can observe macroscopically is the fration of black and white balls on either side. What happens when you pull out the barrier in the middle and why
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