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You drop two balls from a tower, one of a mass m and the other of mass 2m. Just before they hit the ground, which ball, if either, has the larger kinetic energy? Explain.
The pH of a 0.015 M ammonia solution is 10.72. What is its hydroxide-ion concentration
Compound Q is identical to the product obtained by the side-chain oxidation of meta-xylene. Compound R, C3H6O has only one single peak absorbance in its nmr spectrum. Compound S, C2H4O2, is water-soluble. Draw the structures for compound P, Q, R, ..
What are the three paradigms of Globalization and culture?
The standard form of carbon is graphite. Find the fuel value in kJ/g for C(graphite). [Fuel value is amount of heat released in complete combustion of exactly one gram of fuel
What are some thoughts that putting a price on ecosystem services would help us to make more ethical sustainability decisions, or do you think.
How would hydroxide ions influence the concentration of sulfide ions?Explain the dissolution of the sulfides of copper, bismuth and cadmium in nitric acid. Include ionic equations.
The rate constant for the first order reaction below is K=3.3*10 -2 min -1 at 57 Kelvin. what is the half life for this reaction at 57 Kelvin
Explain how many grams of which reactant remains after the reaction of 15.0 g of MnO2 (86.9 g/mol) as well as 30.0 g of HCL (FW = 36.5 g/mol) according to the subsequent chemical equation
an acetic acidacetate buffer system would be the best choice for experiments at ph 5.00. what mass of sodium acetate
The heat of vaporization of butane (C4H10) is 21.0 kj/mol. What is the change in entropy when 55.g of butane boils at -.05 degrees Celcius.
What is the approximate value of the normal boiling point? What can you say about the strength of the intermolecular forces in neon and argon based on the critical points of Ne and Ar?
A solution contains 0.37 M Ni(NO3)2 and 0.37 M Cu(NO3)2. Can the metal ions be separated by slowly adding Na2CO3? Assume that for successful separation 99% of the metal ion must be precipitated before the other metal ion begins to precipitate, and..
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