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If one reacts bromine in water with a double bond a vicinal halohydrin is formed. Provide an explanation for this result and show a mechanism for the reaction of cyclohexene with bromine in water.
A gaseous mixture containing 0.200 mol fraction of carbon tetrachloride (CCl4) and 0.800 mol fraction of dry air is initially at 68.0°C and 1169 mmHg. 1- If this mixture is cooled at a constant pressure, at what temperature does the CCl4 first sta..
How many grams of manganese may be formed by the passage of 32,349 C through an electrolytic cell that contains an aqueous
Calculate the molarity of an aqueous solution that is 5.20% by mass CaCl2, given that the density of the solution is 1.19 g/mL
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
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 preparation of 1L solution of 0.02M Tris buffer, PH 7.8. Please don't just write numbers.. explain it.
Calculate the equilibrium constant at 298 K for the reaction of ammonia with oxygen to form nitrogen and water. The data refer to 298 K.
65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH at the equivalence point? (Ka for HF is 6.8 x 10-4)
The visible part of the hydrogen atom spectrum is called the Balmer series (n1 = 2). The violet line has a wavelength of 410.2 nm.
Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.
Calculate the lattice energy of Na2O for the following data: Ionization energy of Na(g):::495kj/mol, Electron affenity of O(g) for 2e-:::603 kj/mol
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and H. a) the gas is expanded isothermally and reversibly until the volume doubles
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