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Draw stereochemical projections for the products of bromine addition to maleic acid and fumaric acid (cis and trans HOOCCH=CHCOOH, respectively) assuming that bromine adds to these compounds the same way it does to cinnamic acid.
a toxicologist studying mustard gas sch2ch2cl2 a blistering agent prepares a mixture of 0.675 m scl2 and 0.973 m c2h4
HSO4^-(aq) + H2O(l) H3O^+ (aq) + SO4^2- (aq) Ka for aqueous dissociation of HSO4- is 1.2*10^-2 What is the pH of a sol containing equal concentrations of SO4^2- and HSO4^-
1g soil has been spiked with 0.1ml of 100 ppm (v/v) trimethylbenzene and subsequently extracted with 250 mL pentane. The extract is then measured with GC-FID.
a beaker of an acetic acid with 1.00times102ml buffer with a ph of 5.000 is sitting on a bench top. it is found that
What is the pH of the buffer described in the above question? The formic acid (HCHO2) concentration is 0.75 M. the sodium formate (NaCHO2) concentration is 0.75 M
If a Boron-10 nucleus absorbs a proton, the radioactive nuclide that is produced may undergo alpha decay. What nuclide is produced in the decay process? Write the balanced radiochemical equations for both processes.
a) Subtract blank value (0.2 mV) from each measured signal. Make graph to find volume % of C2H2 in unknown b) Use method of least squares to find uncertainties in slope & intercept of your graph & estimate the uncertainty in answer to a.
Bovine Serum Albunim (BSA) You need to make 100 ml of 2mg/ml BSA. Describe how you would dilute the stock solution to make this
what steps are needed to prepare phenylacetylene from C6H5CH2CH2Br I chose the following reagents 1. H2SO4, 2. Br2, 3. NaNH2/excess (were correct) and simply require to draw the intermediate
What are the products of the reaction of potassium hydride and water. KH(s) + H2O(l) ? A) K(s) + H2(g) + OH-(aq) B) K(s) + H2(g) + O2(g) C) KOH(s) + O2(g) D) K+(aq) + H2(g) + O2(g) E) K+(aq) + H2(g) + OH-(aq)
Suppose a 500mL solution contains 2.00 millimoles of Co(NO3)2, 150.0 millimoles of NH3, and 150.0 milllimoles of Ethylendediamine (en). What is the concentration of Cobalt 2+ (aq) in the solution?
An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc nitrate and a silver cathode in contact with a 0.0042 M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation f..
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