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Consider the ground state neutral, anion, and cation species of each of the following homonuclear diatomics. In each case, which would you expect to have the highest bond order? Indicate your reasoning with populated molecular orbital diagrams.
Helium (i.e. He2+, He2, He2-)
Based on the molecular orbital diagrams, determine whether the stable molecules and ions are paramagnetic or diamagnetic.
if the radio waves transmitted by a radio station have a frequency of 70.6 Mhz, what is the wavelength of the waves, in meters?
For caffeine, the partition coefficient between methylene chloride and water is approximately 8. If you add the following to a separatory funnel - 10 g caffeine,
the two most popular types of fuel for fuel cells are hydrogen and methane or natural gas. while hydrogen fuel cells
A typical protein contains 16.2 wt% nitrogen (N). A 0.500 mL sample of protein solution was decomposed, and the liberated ammonia (NH3) was reacted with 10.00 mL of 0.02140 M HCl.
The internuclear distances in gas-phase ionic molecules are considerably smaller than those in the corresponding crystals.For exemple,
Use the octet rule to predict the formula of the compound that would form between tellurium and iodine, if the molecule contains only one tellurium atom and only single bonds are formed.
Indicate whether the pH is equal to 7, greater than 7, or less than 7 at the equivalence point for the following titrations at 25oC. a) HF + LiOH
If 5.0L of nitrogen at 12°C and 1.30atm pressure reacts with the same volume of hydrogen at the same temperature and pressure, what volume of ammonia is obtained at that temperature and pressure
In the boron trifluoride etherate-catalyzed reaction of acetic anhydride and salicylic acid to produce acetylsalicylic acid, or aspirin, anhydrous conditions prevail. So, what serves as the base, as water cannot?
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV.
A solution containing 0.2 g/mL of a pure R enantiomer in a 1 dm polarimeter rotates plane polarized light by +3 degrees. What is the specific rotation of the R isomer. What will be the specific rotation of its S isomer
How can one confirm the identity of a peak in a chromatogram. How does one choose a solvent in HPLC
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