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A tennis player standing 9.2 m from the net hits the ball above the horizontal. To clear the net, the ball must rise at least 0.42 m. If the ball just clears the net at the peak of its trajectory, how fast was the ball moving when it left the racket and at what angle was the ball hit?
Which is most acidic butanoic acid (marvin structure), bromobutanoic acid (marvin structure), hydroxybutanoic acid (marvin structure) and chlorobutanoic acid(marvin structure)
Draw two molecules that are diastereomers and calculate the energy of each.Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with ..
The Lena Chemical Co. concentrates leftover acids from various chemical processes. Leftover acid from a nitrating process contains 24.0% nitric acid (HNO3).
The reaction of calcium oxide with the pollutant, sulfur trioxide, to produce calcium sulfate has been proposed as one way to remove the the SO3 from the smoke resulting from burning high sulfur coal (as in a power plant).
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
Cosidering the solubility of the nylon across the dirent solvents, what conclusion could be made about nylon solubility based on the structure of nylon and the structure of the solvents
A 100.0 mg sample of a common organic compound containing C, H and S was burned in oxygen, forming 283.5 mg of CO2 and 48.4 mg of H2O. What is the simplest (empirical) formula of this compound
Gaseous NOBr is placed in a closed container at -180 oC, where it partially decomposes to NO and Br2: 2 NOBr(g) 2 NO(g) + 1 Br2(g) At equilibrium it is found that p(NOBr) = 0.008230 atm, p(NO) = 0.004080 atm, and p(Br2) = 0.004130 atm.
How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution.
a 160.0g sample of metal at 75 degrees c is added to 150.0g h20 at 15 degrees c. the temp. of the h2o rises to 19.5
Compute the pH of 500 ml of ac solution that is 0.200 M in C6H5NH2 (aniline) and 0.100 M in C6H5NH3Cl (aluminum chloride) (kb of aniline = 4.3 *10 -10). Also calculate the change in pH if 10 ml of 0.200 M HCl is added to solution above.
a reaction has a standardfree-energy change of -13.00 kj mol -1 -3.107 kcal mol -1 calculate the equilibrium constant
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