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Depict the structure(s) of all of the branched chain alkene isomers, C6H12 that contain a single methyl group and that have E/Z isomers.
How many grams of chromium metal can be formed if a 0.500 amp current is passed through a solution of Cr3+ for a period of 45.0
the ionization potential for a certain atom is 350kjmol. if the electron is in the first excited state the ionization
Adrenaline contains 56.79% carbon, 6.56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula
Two samples of copper and lead both weighing 1.500g each recive equal amounts of heat. The temp. of copper increased from 25.0 degrees celcius to 30.0 degreees celcius.
If an empty beaker has a mass of 129.3 grams. Subsequent to some chemical has been added the mass is 146.653 grams. Explain how much of the chemical was added use the proper number of significant figures
A 35.0ml sample gas is enclosed is in a gas tight syringe at 22 degress celcius. If the syringe is immersed in an ice bath a 0 degress celcius, what is the new gas volume.
The half life of pyruvic acid in the presence of an aminotransferase enzyme (which converts it to alanine) was found to be 221 s. How long will it take for the concentration of pyruvic acid to fall to 1/69 of its initial value in this first order ..
Describe how the leaving groups affects the rate of an Sn2 reactions Use specific chemical examples to support the conclusion
What is the equilibrium concentration of fluorine if the initial concentrations of bromine and fluorine were 0.113 moles/liter in a sealed container and no product was present initially
Calculate Q when the solutions are mixed (time zero). Indicate how the reagent concentrations will changes as the reaction proceeds.
The alpha particles emitted by radon-222 have an energy of 8.8 x 10^-13 J. If a 200. g Pb brick absorbs 1.0 x 10^10 alpha particles from radon decay, what dose in rads will the brick absorb
Propane reacts with molecular fluorine to form fluoropropane in the presence of light energy. Using curvy arrows to show the movement of electrons, present a reasonable mechanism for this reaction. Label each step in the process.
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