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A UV Photon wavelength = 58.4 nm from a helium gas discharge tube is absorbed by a hydrogen molecule which is at rest. Since momentum is conserved, define what is the velocity of the hydrogen molecule after absorbing a photon? Explain what is the translational energy of the on mole of hydrogen molecules?
Aluminum readily displaces hydrogen in sulfuric acid according the following balanced reaction: 2Al(s) + 3H2SO4(aq) = Al2(SO4)3(aq) + 3H2(g). How many moles of Al and how many moles
as molecules move up fractional distillation column they condense and then revaporize. durring which of these steps is
cl2nainacli2br2nainabri2suppose seperate solutions each containing 25.0g of nai are available. if 5.00 g of cl2 gas is
Give equations to show how sulfuric acid can convert 4-methylcyclohexene into a mixture of four isomeric C7H12 compounds (include starting material). Predict the relative amounts of each isomer.
Based on the composition and the proton nmr observations, show by the appropriate crystal field splitting diagrams what the static ground state structure must be.
Which of the following are a conjugate acid-base pair in the above reaction?
A sample of gasoline was run through the GC yielding several peaks indicating the components that made up the gasoline mixture. Uncertain of the amount of benzene in the gas, a pair of students taking instrumental analysis does an experiment using..
A sample of oxygen gas () was found to effuse at a rate equal to three times that of an unknown gas. The molecular weight of the unknown gas is __________ g/mol.
In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.73 times longer to effuse than does a 0.100 L sample of Ar(g). What is the molecular formula of the compound? , draw possibl..
calculate the number of grams of nitrogen dioxide gas formed when 1.22 moles of ammonia nh3 react with 2.14 moles of
Write balanced equations to show whether any of the following compounds have differing solubility with a change in pH.
A solution is prepared by dissolving 12.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 12.50 mL sample of this stock solution is added to 55.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
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