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Predict the major organic product formed in the addition of HBr to 2,3-dimethyl-2-butene. Provide a stepwise mechanism for the reaction, showing all electron movement using the curved arrow convention. Sketch a qualitative energy level diagram for the mechanism labeling all relevant points.
If the molality of your solution is 0.30, calculate the contribution to the percentage error in your result due to not correction for the errors int he thermometer readings.
What is the heat of vaporization(kJ/mol) if it takes 3,452 J of heat to completely vaporize 2.68 moles of the liquid at its boiling point
Using a reasonable range of temperatures, determine the apparent (or global) activation energy of NO formation during a combustion process
What are the units for absorptivity where the path length is given in centimeters and the concentration is expressed in. a. parts per million
Choose one of the iron-sulfur electron transfer proteins described in the text. Please draw the structure of the iron-sulfur active site, indicating the amino acids tethering the FeS core to the protein
Observe the following reactants and predict which of the following may form the potential products given the values for the energy of activation, , and enthalpy of the reaction, , in combination with the molecular orientation.
What are the values of the entropy changes (system, surroundings, and universe) for the cooling of 1 mol of O2 (g) from 298 K to O2 (l) at 90.19 K if the process is done a. Reversibly b. Irreversibly by placing the sample in liquid hydrogen at 13...
A sample of air at 15 psi is compressed at constant temperature from 555ml to 275ml. Calculate the resulting pressure.
The vapor pressure of water at 25C is 3.13X10^-2 atm, and the heat vaporization of water at 25 C is 4.39 X 10^4 j/mol. Calculate the vapor pressure of water at 81C.
A sugar syrup solution contains 15.0% by mass of sucrose C12H22O11. The syrup has a density of 1.06 g/ml
When DMPT is treated with base, and then added to a solution of [PtCl2(K^2- dppe)], compound A forms and has the formula [PtCl(DMPT)(K^2- dppe)].
plot the temperature distribution in all relevant dimensions for each side of the aluminum cylinder as a function of position for 5 different time intervals, ranging between (and explicitely including t=0 and t= infinity
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