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A compound, C5H12O, has an 1H NMR spectrum showing peaks at delta 0.9 (6 H, triplet), 1.5 (4 H, quintet), and 1.9 (1 H, singlet), and 3.4 (1 H, multiplet).Draw this molecule.
The enthalpy of combustion of methane, Ch4, is -890 KJ/mol. If the gas flow rate of the methane to the burner of a stove is 5 L/min at 25 degrees celsius and assuming complete heat transfer from combustion
525mL of 1.50M NaCl is added to a beaker containing 378mL of 2.22M AgNO3, resulting in the formation of AgCl precipitate.
Burning the fatty acid palmitic acid outside the body in the presence of oxygen, results in its complete oxidation to form carbon dioxide and water. The chemical formula of palmitic acid is CH3(CH2)14COOH.
Calculate the amount of work that can be obtained from this reservoir before it cools to the temperature of the cold reservoir which is 0C. Assume that the heat capacity of water is constant over this temperature range at 75 J/(mole*K). Calculate ..
What is the purpose of massing the watch glass and Buchner funnel filter paper prior
How many photons per second are striking the photocell? B. How much energy is mJ/s (millijoules per second) is the photocell absorbing?
10.0 grams of sodium bicarbonate reacts with 50.0 mL of 2 M acetic acid, what is the limiting reactant? what reactant is in excess, and by how much? what volumeof carbon dioxide gas would form?
A 32.0-g sample of water at 260. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
a) when 34.0g of NH3 reacts with 96.0g of O2 what is the partial pressure of NO in the sealed container?
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
Dinitrogen pentoxide, (N2O5), decomposes by first order kinetics with a rate constant of (3.7E-5)s-1 at 298k how long will it take the concentration to decrease from 0.0233mol/L to 0.0176mol/L ?
To calculate the concentration of protein is it 10/990 or 10/1000? And does the original concentration of solution even matter when calculating the solution concentration?
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