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Which alkyl halide reacted fastest with silver nitrate in ethanol: tert-butyl bromide or tert-butyl chloride? Explain how the nature of the leaving group affects the rate in the SN1 reaction.
Calibration and collection of equilibrium data are different experiment. Why could you use the calibration curve for getting equilibrium data?
The heat of reaction for the combustion of cyclohexane, C6H12, is 936.8 kcal/mol. What is the heat of combustion for cyclohexane in kcal/gram?
The stopcock between A and B is opened. The pressure in A and B is now 219mmHg. How many moles of H20 are in the system?
indicate whether the trailing zero in each value is significant, not significant or possibly significant
a) If the initial sample is 8.50 g, what mass of the original iridium-192 remains after 130 days? b) Estimate the half-life of the radioisotope. c) How many days would it take for one-fourth of the sample to decay?
Describe the formation of malonyl-CoA, showing structures. Be sure to list the enzyme that catalyzes the reaction.
A volume of 40.0 of aqueous potassium hydroxide () was titrated against a standard solution of sulfuric acid (). What was the molarity of the solution if 19.2 of 1.50 was needed? The equation is 2KOH(aq)+H2SO4(aq)=K2SO4(aq0+2H2O(l)
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
What atomic or hybrid orbitals make up the sigma bond between Br and Cl in bromine trichloride, BrCl3 ?
what is the total mass in grams of a series of samples that have masses of 753mg,
Pretend that an electron performs 1D motion in the field of the proton so that it's wavefunction is psi(x)=cos(x/a), where a=0.5 Angstrom.
ow many grams and how many moles of octane must be burned to release 450 kcal?
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