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Draw the most important Lewis structure for [ NO3 ]- and then answer the following questions. The underlined atom is the central atom. All other atoms are bonded directly to the central atom.
(a) What is the electron-group geometry, according to VSEPR theory?
(b) What is the molecular geometry?
(c) Is this species polar or nonpolar?
Calculate the pH of the following solution made from .210 M in pyridime (C5H5N) and .350 M in pyridime chloride (C5H5NHCl). Kb: 1/7 x 10^-9
If you forget to use the hydrate molar masses of the reactants, and use the regular molar masses instead, will the calculated % yield be too low, too high or unchanged. Explain your answer using complete sentences.
draw lewis structure for pcl3. calculate the formal charge on p. what is the name of geometry for the molecule? is the
a wooden object from the site of an ancient temple has a carbon-14 activity of 13.0 counts per minute compared with a
what accounts for the large amount of ring strain in cyclopropane and cyclobutane? (Hint: what bond angle does an sp^y hybridized carbon prefer? What angles are necessary for each of the geometric shapes you are building?)
Explain the dissolution of the sulfides of copper, bismuth and cadmium in nitric acid. Include ionic equations. If a yellow precipitate is obtained upon addition of hydrogen sulfide to an unknown solution of Group II cations, which ions are probably..
What mass of carbon dioxide is produced from the complete combustion of 7.50×10^-3g of methane?
Problem- A sample of gas occupies a volume of 74.8 mL. As it expands, it does 116.3 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas
rank the following compounds in order of decreasing vapor pressure. rank from highest to lowest vapor pressure. to rank
According to the VSEPR theory, the molecular geometry of ammonia is and which molecules has a non-zero dipole moment
how many milligrams of hydrazoic acid ( ka= 1.9x10^-5) must be in a 5.0-L solution that has a pH of 4.90?
A layer of copper welded to the bottom of a skillet weighs 159 g. How much heat (in J) is needed to raise the temperature of the copper
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