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A sample of an unknown gas effuses in 10.1 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.16 min. What is the molar mass of the unknown gas?
Describe a simple and practical way to make 1.00 L of this buffer solution, assuming a 1.0 M solution of the molecular base is available and that the chloride salt of the conjugate acid is available as a solid
Atoms and molecules consist of electrons and nuclei. When no bonds exist between atoms, electrons are on discrete energy levels called orbitals: those levels where electrons reside at zero degree Kelvin are called ground states
Which salt is most soluble in water? chromium (III) nitrate, silver iodide, barium phosphate, or calcium carbonate.
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
what is the order of increasing steric hindrance within these reactions and what is the reason for that order in terms of calculated energies, distance, and structures.
A solution of 0.18 mol of the chloride salt of protonated atropine (AH^+), a weak organic base, in 1.0 L of solution has pH = 5.20.
Use the Van Der Waals equation to calculate the pressures of the three real gases. Compare the plots and explain the origins of any differences you find.
a sample of neon to escape from a hole in a container, how long would it take for an equal amount of nitrogen gas, N2, to escape
LDA is added to a solution containing methyl pentanoate. After this reaction has gone to completion, 2-butanone is added. Once this reaction is completed an acid workup is performed.
Explain how to determine exclusion limit of a gel of unknown origin.
Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.
0.90 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
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