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Depict the structures of the Diels-Alder reactions between
(a) 1, 3-butadiene and trans-CH3-CH=CH-CH=O
(b) Anthracene and HO2C-C C-CO2H
The mean free path is the average distance a molecule will travel before colliding with another molecule. From kinetic gas theory (which is explained in any pchem text and probably some general chem texts as well if you're curious),
A proton in a linear accelerator has a de Broglie wavelength of 155 pm. what is the speed of the proton?
Two kilograms of steam contained in a horizontal frictionless piston as well as cylinder initially at 250C and 4.81m3 are cooled isobarically until the volume decreases by 19.5%. Presume that heat is transferred at 190C.
Using a ground-based telescope and a spectrometer, it has been found that sodium vapor is a major component of the thin atmosphere of Mercury. Its concentration is estimated to be about 1.0x10^5 atoms per cm^3
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
Determine the solubility product constant for silver fluoride at this temperature. It is not what is listed on the chart on page 773 because that chart is only for use at 25 deg C.
paradichlorobenzene c6h4cl2 is a component of mothballs. a solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39
The reaction that produces the water gas mixture is as follows- C(s) + H2O(g) - CO(g) + H2(g) This reaction requires an input of 131 kJ of heat for every mole of carbon that reacts.
how many grams of metallic copper can be obtained when 54.0 grams of Aluminum react wit 319 grams of CuSO4?
What will be the molarity of the resulting solutions made by mixing 140 mL of 3.2 M H3PO4 with 590 mL H2O?
Butyric acid, HC4H7O2, has a Ka of 1.51 x 10^-5. Calculate the pH of a solution of butyric acid where 15.2 g of the acid was added to water to make 1.5 liters of solution.
If an assay of soda ash sample was reported as 65.21% Na2CO3. Explain what the percent of carbon dioxide and carbonate ion
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