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What region of the C13 NMR spectrum would you find a resonance for the carbonyl group of an aliphatic ketone
The weight of the product (Hexaphenylbenzene) for this part of the reaction was 2.04 g. What is the percentage yield? What is the overall percent recovery for the three step process?
The size of a diamond is measured in carats. (1 carat=.200 g) The density is 3.51 g/cm3. How many carats is a diamond that measures .
the rate constant (k) at 25 C is 0.235 M^-1 S^-1. At 50 C the rate constant is 1.12 M^-1 S^-1. What is the frequency factor, A for this reaction in units of M^-1S^-1
At high pressures, real gases do not behave ideally. Use the van der waals equation and data in the text to calculate the pressure exerted by 18 gram of H2 at 20C in a 1.00L container.
The boiling point of ethanol is 78°C. How much heat is required to heat 100 grams of ethanol from 25°C to its boiling point and then to turn it into a vapor
A solution of 0.1% sodium dodycl sulfate (SDS) binds so strongly to polypetide chains that one detergent molecule is sufficient to saturate two amino acid residues.
Define the wavelength and amplitude of a wave. How are these related to the energy of the wave
an auto mechanic spills 91 ml of 2.3 m h2so4 solution from a rebuilt auto battery. how many milliliters of 1.5 m nahco3
A container is filled with C2H6O until its concentration reaches 1.375 mol. How many minutes will it take for 71.5 percent of the C2H6O break down?
What is the enthalpy change when a 4.0 gram sample of aluminum burns in excess of oxygen to form aluminum oxide?
Acid rain over the Great Lakes has a pH of about 4.5. Calculate the [H_3O^+] of this rain.
can a liquid be identified by the same principl(e.g. mixing an unknown liquid with known liquid) and determining if the boiling point of the mixture is depessed if the two liquids are different?
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