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The diatomic molecule OH exists in the gas phase. The length and bond energy have been measured to be 97.06pm and 424.7 kJ/mol, respectively. Assume that the OH molecule is analogous to the HF molecule discussed in the chapter and molecular orbitals result from the overlap of a lower energy pz orbital from oxygen with the higher energy 1s orbital of hydrogen. (The O-H bond lies along the z axis)
a. Which of the two molecular orbitals will have the greatest hydrogen 1s character?
b. Can the 2px orbital of oxygen form molecular orbitals with the 1s orbital of hydrogen?
c. Knowing that only the 2p orbitals of oxygen will interact significantly with the 1s orbital of hydrogen, complete the molecular orbital energy diagram for OH. Place the correct number of electrons in the energy levels.
d. Estimate the bond order for OH.
e. Predict whether the bond order of OH+ will be greater, less than, or the same as that of OH. Explain.
The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL-1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 507-mm column of di-n-butyl phthalate
what affect would each of the following changes in procedure have had on the calculated percentage of fat found for
Although Aluminum Chloride, AlCl3, is ionic in the solid state, it is molecular in the gaseous state. Write the Lewis Structure, prepare a VSEPR sketch, describe the geometry, prepare a VB sketch describe the bonding in gaseous AlCl3.
A 64gram piece of ice at 0 celsius is added to a sample of water at 9 celsius. All of the ice melts and the temperature of the water decreases to 0 celsius. how many grams of water were in the sample?
when making ice cream, the temperature of the ingredients is decreased to below the freezing point of pure water by using a surrounding water bath that contains a large amount of table salt, NaCl.
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
a) water is sprayed on the ground of an orchard when temperatures are near freezing to keep the fruit from freezing. Explain b) How many kilojoules of energy are released if 5.0 kg of water at 15 degrees C is on the ground and cools and freezes at..
Calculate the mass of ascobic acid in the whole tablet( use mass of whole tablet) c) Calculate the %error in the mass of ascobic acid in one whole tablet
Why does the enolate of acetone attack the carbonyl of cinnamaldehyde rather than the carbonly of another acetone molecule
Approximately how many grams of KCl are there in 200 mL of a 4.0% by mass KCl aqueous solution? Assume that the density of solution equals that of pure water.
If a molecule is more affected by London Dispersion forces that means it will have a higher melting point. if big molecules are less affected by dipole-dipole attractions, they will have a higher melting point. are these statements true?
HCl + NaOH = NaCl + H2O If 200 mL of a .20 M HCl solution is consumed in the above reaction, how many grams of each product would be produced.
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