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Given an aqueous solution in which the [H+] = 5.0 x 10-3 M, what is the molar hydroxide ion concentration
Calculate the concentration of the origanal solution Is it .00798M? When dealing with sig figs, is M counted as an exact number?
Assuming that the atoms are spheres in contact along the face diagonal, what is the radius of a Ar atom (in Angstroms)? An angstrom = 10-10 m or 10-8 cm.
A first-order reaction has a half-life of 26.4 seconds. How long will it take for the concentration of the reactant in the reaction to fall to fall to one-eighth of its initial value
Write down the expression for the radial distribution function of a 3p electron in a hydrogenic atom and determine the radius ar which the electron is most likely to be found
if a compound has a molar mass of 156 gmol what is its molecular formula?if a compound has a molar mass of 88 gmol what
Consider the accompanying energy diagram. Does this diagram represent an increase or decrease in the internal energy of the system?
Define the retention volume for a solute was found to be 76.2 mL for a column with Vm = 16.6 mL as well as Vs = 12.7 mL. Compute the capacity factor as well as the distribution coefficient for the solute.
When heated with sulfuric or phosphoric acid, the organic compound cyclohexanol (C6H11OH) is converted to cyclohexene (C6H10). The overall balanced reaction can be represented as:
a sample of gas contains 50.0 helium and 50.0 xenon by mass. what are the partial pressures of each gas when the total
In the following oxidation-reduction reaction, identify the oxidizing agent, the reducing agent, and the number of electrons transferred. 6l- (aq) + BrO3- (aq) + 6H+ (aq) --> 3I2 (aq) + Br- (aq) + 3H2O (l)
a gas evolved during the fermentation of sugarwas collected. after purification its volume was found to be25.0 l at
Comment on the unstable intermediate that is formed when catalysts and reactants combine
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