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When compound A (C5H12O) is treated with HBr, it forms compound B (C5H11Br). The 1H NMR spectrum of Compound A has one singlet (1), two doublets (3, 6), and two multiplets (both 1). (The relative areas of the signals are indicated in parentheses). The 1H NMR spectrum of Compound B has a singlet (6), a triplet (3), and a quartet (2). Identify compounds A and B.
The first step in the Stork Enamine Reaction (an enamine contains an alkene functional group and an amine functional group) is the formation of a new carbon-carbon bond between the enamine and CH3X, as shown below: (NOTE, SYMBOLS ABOVE AND BELOW A..
Calculate E for a system that absorbs 814.0 kJ of heat from its surroundings and does 676.0 KJ of wor on its surroundings.
find the empirical formula for the following compounds given the following information.find the empirical formula for
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
calculate change of pH value when we add 100mL of 0,4M HCl to 100mL of 0,4M NH3. K(NH3)
A 25.0-mL solution of 0.0430 M EDTA was added to a 48.0-mL sample containing an unknown concentration of V3 . All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0440 M Ga3 solution until all ..
What is the percent yield if 6.25 g S2Cl2 is isolated from the reaction of 10.0 g S8 and 7.50 g Cl2?
Consider the titration of a 24.3mL sample of 0.120M RbOH with 0.110M HCl. Determine each of the following.
Isothermal Pressure Increase Prediction, Estimate the pressure increase needed to decrease isothermally by 1% the volume of
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP.
It is stated that more than one unit cell can be chosen for a structure. If they represent the same structure, however, the unit cells must have the same types of atoms
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