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A compound, C7H12O4, has an IR spectrum showing a peak at 1735 cm-1. Its 1H NMR spectrum has peaks at delta 1.3 (6 H, triplet), 3.4 (2 H, singlet), and 4.2 (4 H, quartet). Draw its structure
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
an ideal gas with temperature independent Cp = (7/2)R at 15 degrees C and having initial volume 60 m^3 is heated at constant pressure (P =0.1013 MPa) to 30 degrees by transfer of heat from a resivoir at 50 degrees C.
What is the volume of the air space when the bell has been lowered to a depth of 50m? Take the density of sea water to be 1.025gcm^-3 and assume that the temperature is the same as on the surface
tap water with a Cl- ion concentration of 1*10^-5 mol/L? Ksp=1.77*10^-10
Write the balanced equation for the net cell reaction for the voltaic cell in acidic solution. (First two are the anode, last two are the cathode)
Calculate the vapor pressure of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a nonvolatile nonelectrolyte), in 220.0 g of benzene, C6H6, at 20°C. Assume the solution is ideal. The vapor pressure of pure benzene is 74.6 torr at 2..
Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.
The labeling of acetone with 18O is catalyzed by both acid and base. Show Mechanisms for both reactions.
What are these types of electrons called? Show the valence electrons in a molecule of water, and tell which ones are which.
One cup is equivalent to 237. mL. If 1 cup of oil has a mass of 210. g, what is the density of the oil (in grams per cubic centimeter)?
A mixture of 70 mole% propane and 30 mole% hydrogen is burned with 30% excess air.
What is the pH of a solution that mixes 30mL of 0.01M CH3COOH with 30mL 0.0075M NaCH3CO2? (Assume the volumes are additive
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