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The heat required to sustain animals that hibernate comes from the biochemical combustion of fatty acids, one of which is ara chidonic acid. For this acid,
(a) determine its structural formula;
(b) write its balanced combustion reaction;
(c) use average bond energies to estimate the energy released in the combustion reaction; and (d) calculate the mass of arachidonic acid needed to warm a 500 kg bear from 5 oC to 25 oC. (Assume that the average heat capacity of bear flesh is 4.18 J g 1 K 1.)
lf the catalyzed decomposition of NrO occurs first at a Tr:341 K and then atTr = 229 K, with a k/k, ratio of 0.500, what is the activation energy
What masses (in kilograms) of aluminum oxide and sulfuric acid must be used to manufacture 1.00 kg of aluminum sulfate? Assume 100% yield on aluminum sulfate
Problem- What is the reaction mechanism when doing a solvent extraction for a mixture containing benzoic acid, ethyl 4-aminobenzoate and 9-fluorenone. You want to isolate the acidic, basic and neutral components.
Using the Bohr equation for the energy of any level in a hydrogen atom, calculate the energy of each level, n=1 through n=8 and n=(infinity), f. Calculate change in Energy
Consider a large number of hydrogen atoms ,with electron all initially in the n=4 states.
lightbulb is visible light and that the average wavelength og the light is 550 nm, how many photons are emitted by the lightbuld each second?
The vessel and contents are returned to 100°C and the mixture of product gases (CO2, SO2, and unreacted O2) has a total pressure of 2.40 atm. Determine the partial pressure of each of these gases in the final product mixture.
Gurmt wanted to perform Activity 16.8 using a laser torch. Her teacher advised her not to do so
Problem- What product results when you dissolve myristic acid in ethanol and mix it with HCl. If possible What would this HNMR look like
A 0.1036 g sample containing only BaCl2 and NaCl is dissolved in 50 mL of distilled water. Titration with 0.07916 M AgNO3 requires 19.46 mL to reach the endpoint. What is the % by wt. of NaCl in the sample
Show the reaction mechanism of the reaction of 3,3-dimethyl-1-butyne with HCl in acidic medium to form 1.3-dichloro-2,3-dimethyl-butane.
If the weight limit for a roof is 55 lbs/ft^2, how many inches of snow can be on the roof before it must be removed? Again assume that 10 inches of snow is equivalent to 1 inch of liquid water if melted. Liquid water is 62.4 pounds/cu-foot (lbs/ft..
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