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Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants?
Calculate the cell potential for the following reaction as written at 73C, given that [Cr2+]=.885M and [Fe2+]=.0100M.
Calculate the volume of 0.188 M HNO3 required to neutralize 25.0 mL of 0.250 M Ba(OH)2 solution
How many grams of methane gas (CH4) need to be combusted to produce 18.2 L water vapor at 1.2 atm and 275 K? CH4 (g) + 2 O2 (g)-> CO2 (g) + 2 H2O (g)
a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
A balloon containing 4.28 L of an unknown gas at 1.00 atm and 298 K has a mass of 16.90 g. The empty balloon has a mass of 2.24 g. What is the molar mass of the gas in the balloon
Provide analysis of the IR spectrum in terms of product absorbances and similarities/differences from the IR spectra of 4-iodophenol and phenylboronic acid.
The conversion of substance A to substance B has delta E = ?35 kJ mol?1 and an activation energy, Ea, of 25 kJ mol?1. Sketch a reaction diagram, and on it clearly indicate A, B, the activated complex (C), delta E and Ea.
The volume of a drop of rain was found to be 0.448 ml at N.T.P. How many molecules of water and number of atoms of hydrogen are present in this drop.
The most abundant isotope of uranium, ^238 U, does not undergo fission. In a breeder reactor, however, a ^238 U atom captures a neutron and emits two beta particles to make a fissionable isotope of plutonium, which can then be used as fuel in a nu..
the rate law for the decomposition of n2o5 is rate kn2o5. if k 1.0 x 10-5exp s-1 what is the reaction rate when the
in a gas mixture the partial pressures are argon 447 mm hg neon 77 mm hg and nitrogen 144 mm hg. what is the total
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