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Explain why is the reaction of alkenes with HCl (a rapid, simple reaction) NOT valuable as a characterization reaction, but reaction with Br2 is a good characterization reaction? Explain how does a solution of hydrochloric acid differ in appearance from a solution of bromine?
2 naclo3 -gt 2 nacl 3 o2determine the number of moles of o2 produced by the decomposition of 639 g of
Calculate and indicate values of nonzero formal charges. Based on formal charges, circle the preferred structure.
Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula calculate the mass of carbon in 1.00 x 10^9 kg of coal
what is the mechanism showing electron flow with curvy arrows that includes all steps and intermediates going from starting materials to TPCP, the starting materials are dibenzyl ketone (1,3-diphenyl-2-propanone) and OH
A 118.6 mL sample of 0.110 M methylamine (CH3NH2, Kb = 3.7 * 10^-4) is titrated with 0.250 M HNO3. Calculate the pH after the addition of each of the following volumes of acid.
a 4.867 g sample of a monoprotic acid was dissolved in water. it took 30.24 ml of a 0.1578 m naoh solution to
Does FADH2 have a thermodynamic tendency to reduce coenzyme Q at pH 7. Explain why.
If the average human body discharges 925.0g CO2 per day, how many moles of NaOHare needed each day for each person in the spacecraft?( 42.04 mol NaOH)
The normal boiling point of pure water is 373 K. As a solute dissolves in water, the boiling point of the solution will (a)Decrease (b)Change unpredictably (c)Remain the same (d)Increase
If 142 x 10 power of 6 metric tons of SO 2 are released per year by fossil fuel combustion, the mass of sulfur in this amount of SO2
Solve for the temperature if there are 1.231 L of 0.5387 moles of nitrogen at a pressure of 731.2 mm Hg.
Man wishes to set aside money for his daughter's college education.
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