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Given that the partial pressure of O2 in the atmosphere is 0.20 atm and the concentration of H3O+ is 2.0 x 10-6 M, determine the half-cell potential for the reduction of O2 according to the reaction: O2 + 4 H3O+ + 4 e- ? 6 H2O E° = 1.229 V
How is temperature correlated with the relative rates of this reaction. What is your explanation of this correlation
what are the concentrations of rm a and rm b after seventy seconds if the initial concentration of rm ab is 0.230m and
Consider the titration of 41.2ml of 0.270M HF with 0.180M NaOH. Calculate the ph at each of the following points. how many milliliters of base are required to reach the equivalence point?
hydrogen and 6.8 * 10^-4 mol of oxygen. How much water can be produced if the gases react?
Neopentyl alcohol, (CH3)3CCH20H,cannot be dehydrated to an alkene without rearrangement. What is the chief product of dehydration? What product would you expect from addition of deuterium chloride to 2-cyclohexyl-4methyl-2-pentene?
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
Write the formula for the aldehyde formed from oxidation of ethanol Write the formula for the acid formed from ethanol's oxidation
concentration was dissolved in HCl and diluted to 100.0 mL. Aliquots of 10.00 mL of this unknown solution were added to different volumes of a 2.08 ÃŽ¼g/mL Ca standard solution and diluted to 200.0 mL. Find the weight percent of Ca in the rock sam..
A unit of heat energy that was formerly used frequently calorie. Look up the definition of calorie in your textbook or a handbook and record it here.
In the microscale oxidation of a Xylene to a Phthalic Acid, 825 mg potassium permanganate, 100 mg sodium carbonate, 3 mL water were put in flask and warmed then 125 microliters of unknown xylene and 10 mg detergent were refluxed for 45 minutes.
What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers
If the entropy of a collection of a molecules in 50,000 boxes is 3.73 x 10^-20 J/K, how many molecules are there
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