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How much energy is evolved in the transition from the n = 2 to the n = 1 level for 0.5 mole hydrogen?
Calculate the fraction of Fluorine atoms at 1000 K in each of the first three electronic levels based upon the following data
Determine the volume of the sample. (b) Plot the data. Now suppose you add another 5.00 mol of gas molecules into the same volume.
calculate the molar absorptivity (epslion) of Cu2+ at 620nm given that the curvettes used in lab had a pathlegth of 1.00 cm.
Calculate the probability of finding the electron in a spherical shell defined by 10.95a0 ? r ?11.05a0
A particular reactant decomposes with a half-life of 127 s when its initial concentration is .364M. The same reactant decomposes with a half-life 245 s when its initial concentration is .189 M.
An 1.07 mol sample of carbon dioxide gas at a temperature of 8.00 oC is found to occupy a volume of 22.7 liters. The pressure of this gas sample is
Calculate the pressure (in atm) exerted by 1.00 mole of acetylene at 125°C in a 20.0-liter container. The van der Waals constants for acetylene are: a = 20.0 L2 • atm/mol2, b = 0.100 L/mol.
Put the following substances in correct order of increasing boiling point: Ar, F2, H3COH, Ir, SO2.
The solvolysis of benzyl chloride proceeds via a carbocation intermediate and occurs more rapidly than the solvolysis of 2-chloro-norbornane and tertiary butyl chloride.
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K
What information is obtained from analyzing the blank? Is this sample 100% elution solvent?
What are the subscripts in the empirical formula of this compound?
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