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Addition of bromine to 130 mg of trans-stilbene gave 200 mg of meso-dibromide. Calculate the percentage yield.
A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm1, and a threefold degenerate level at 4700 cm?1. Calculate the partition function of these electronic states at 1900 K
A 1.630 g sample of naphthalene, C10H8(s), is completely burned in a bomb calorimeter assembly and a temperature increase of 8.44°C is noted.
Steam distillation may be used to separate a mixture of p-nitrophenol and o-nitrophenol.
Consider the proposed mechanism for a reaction below. What is the rate law for the overall reaction?
An aqueous solution contains the amino acid glycine. Assuming that the acid does not ionize in water, calculate the molality of the solution if it freezes at -1.1 degree centigrade.
Calculate the percent KBr in the mixture. Calculate the percent Mg(OH)2 in the mixture. Calculate the percent BaSO4 in the mixture
Describe the characteristic infrared absorption frequencies that would allow you to distinguish between the following pairs of compounds.
The kinetics of decomposition of dinitrogen pentaoxide is studied at 50 degrees C and at 75 degrees C. Which of the following statements concerning the studies is correct
Does the octet rule mean that a diatomic molecule has 16 valence electrons? Select from the following:
q. determine the mass in gms for pure ag sample that loses 2.88kj if its temperature drops from 143 degree celsius to
Calculate the energy (joules) required to achieve the transition from the ground state to the first excited state for this system.
write the formulas of all possible monobromination
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