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Some people have argued that rocket engines will not work because the gaseous products of said engine, pushing against a vacuum of space, do not perform any work, therefore the engine will not propel anything. Refute this argument. (Hint: consider newton's third law of motion.)
Draw a reaction coordinate diagram for each of the following nucleophilic addition-elimination reactions. a. the nucleophile being a weaker base than the leaving group
Set up and solve the Huckel secular equations for the pi electrons of NO3-. Express the energies in terms of the coulomb integrals alphao and alphan and the resonance integral beta. Determine the delocalization energy of the ion.
Acid catalyzed hydration of 2-pentene giives two alcohols, each with the molecular formula C5H12O. a) Draw the structure of 2-pentene.
Below is the 1H NMR spectrum of the following triazine structure. In the expansions of the spectrum, place the observed multiplicity in the bin above the resonance.
Calculate the minimum number of grams of solid that must be combusted to provide the energy necessary to convert 2.50kg of from its solid form at -14.0 C to its liquid form at 60.0 C .
A sample of Neon gas has a volume of 7.50 L and a pressure of 2.30 atm. What is the new pressure if the volume is decreased to 1.50 L at constant temperature?
what is the formula used to determine the mass of KClO3 to form a saturated solution in 250g of water at 30 degrees celcius
Borane forms complexes with sulfides and amines. Draw a suitable structure to represent the complex formed between BH3 and dimethyl sulfide
the vapor pressure of a solution containing 53.6 g glycerinc3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at 40.0 degrees
The composition of a gas on a dry basis is 74.0 mole% N2, 10.0% O2, 12.0% CO2, and 4.0% CO. If the mole fraction of water is 0.190, what is the gas composition on a wet basis
Free radicals are important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the actions of sunlight on air pollutants, is formed in part by the following two steps.
The normal melting point of benzene is 5.5 degrees Celsius . For the process of freezing, what is the sign for each of the following
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