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Consider the diatomic molecules H2 and Cs2. For which is the Born-Oppenheimer approximation likely to introduce less error and why?
what two families of elements in the periodic table generally do not accept additional electrons i.e. which ones have
Explain how use of 3 M HCl(aq) could separate it from the other components. To do so: show how acid would change the molecule; identify the phase in which this new species would be isolated in a separatory funnel and explain why it would be found the..
When using paper chromatography to separate components of a mixture, the manual suggests that water is wicked through the paper.
A sample of helium gas initially at 37.0 °C, 785 torr and 2.00 L was heated to 58.0 °C while the volume expanded to 3.24 L. What is the final pressure in atm
Arrange the following aqueous solutions in order of deceasing freezing points: 0.10 m KNO3,0.10 m BSCl2,0.10 m ethylene glycol [C2H4(OH)2,antifreeze], and 0.10 m Na3PO4. Explain.
The mass of substance B is 25.0g and its initial temperature is 52.0 degrees C. The final temperature of both substances at thermal equilibrium is 46.0 degrees C
Write one overall equation, using an alkali metal ion and a nitrate ion as spectator ions if needed, for the following net ionic equation: H+(aq) + OH-(aq) ? H2O(l)
How much energy in kilojoules is required to convert 100 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL.
chloroform, CHCl3 has a ΔHvap = 29.4 kL/mol. what is it's vapor pressure at 25 degrees celsius
Rank from highest to lowest boiling point. items can be marked as equivalent. F2, NaCl, HCl, HF, Rank in Correct Order from Highest to lowest Boiling Point? Also which one is the highest boiling point
Draw the structure of the amino acid phenylalanine maintained in 1.0MHCl. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars, including charges where needed. The single bond is active..
The He I (21.22 eV) photoelectron spectrum of a molecule shows three sharp peaks corresponding to photoelectron kinetic energies of 1.64 eV, 5.81 eV and 9.71 eV. What is the lowest ionization energy of the molecule
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