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The rate constant for electron transfer between V 2+ (aq) and V 3+ (aq) is observed to depend on [H+]: k = a + b/[H+], where a and b are constants. Propose a mechanism and express a and b in terms of the rate constants in your mechanism.
A sample of nitrogen gas that occupies a volume of 31.2 L at a temperature of 0 oC and a pressure of 1 atm contains , answer in moles of gas please.
Repeat for 0.1 M Zn^2+ in 3 M OH- 3. What is the appropriate % if complexed iron in a 0.1 M Fe3+ solution containing 1 M KSCN?
How about for a solution of nitric acid (which has pKa of -1.4) Do the calculation for a formal concentration. of 1M and for the formal concentration of 0.1M.
The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and calcium iodide are combined. 2 AgNO3(aq) + CaI2(aq) 2 AgI(s) + Ca(NO3)2(aq) Write the balanced net ionic equation for the reaction.
Which of the following expressions hold for 0.10 mol/L Na2HA(aq). (HA2- is the doubly-ionized form of H3A, a weak triprotic acid.)
A first order decomposition reaction has a half-life of 60yr. What percentage of the original amount is left after 164years
A coal containing 81% C, with a calorific value 32,400 kJ/kg is burnt to produce a flue gas of the following composition: CO2=14.3%, CO= 1.2%, O2= 5.5 % and the rest is nitrogen. Determine the carbon converted to CO per kg coal.
Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.
Treatment of (S)-( )-5-methyl-2-cyclohexenone with lithium dimethylcuprate gives, after protonolysis, a good yield of a mixture containing mostly a dextrorotatory ketone A and a trace of an optically inactive isomer B
How much heat is absorbed when 5.53 mol of NH4NO3 solid is dissolved in water? (Heat of soluton = 25.7 kJ/mol)
how many grams of potassium bromide are required to prepare 350 mL of a .200 M solution.
Draw the product that is formed when (3R, 6R)-6-chloro-2,3-dimethyloctane reacts with sodium iodide in acetone
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