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How do chemists envision reactions taking place in terms of the collision model for reactions?
A student wished to prepare ethylene gas by the dehydration of ethanol at 140 C, using sulfuric acid as the dehydrating agent. A low-boiling liquid was obtained instead of ethylene. What was the liquid, and how might the reaction conditions be cha..
Find the energy eigenstates for the system. Compute the normalization constant for these eigenstates. What is the boundary condition for this problem. What does this restrict the allowed energies of the system to be? e) What is the degeneracy of t..
What is the molar mass of a gas when 50.0 g of the gas occupies 18.0 L at 125 C under 2.16 atm of pressure? If the gas in last question is 85.6% carbon and the remaining mass is hydrogen, what is the molecular formula of the gas
a 0.20 solution of is used to titrate 28.0 of a solution of unknown concentration. if 160ml of hcl is required what is
At low temperatures, xenon freezes to a solid having a density of 5.653 g/cm3. Below 84 K, argon also freezes to a solid that has a similar structure but different volume and mass.
After the addition of a large excess of the acid solution (in comparision with the acid volume needed to reach the equivalence point). Tell how many milliliters of acid are required to reach the equivalence point.
translate the following word equations into unbalanced chemical equations and explain how the equations represent what
hard water is caused by the presence of dissolved salts. one ofthe main components is caco3. when hard waterevaporates
the combustion of how many moles of ethane would be required to heat
What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C
Draw resonance structures for 9-(hydroxymethyl)anthracene. Is it possible for all three rings to simultaneously have bensenoid
When a base is added to an acid they neutralize each other except when they make a pH of 7, in this case find the exact amount for the two solutions below
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