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Depict the Kekule structures for each of the subsequent, illustrating all possible resonance forms with formal charges. Point to the hybridization of all C as well as N atoms in each structure.
1. (CH3)2CHCH3
2. NO^+
3. CH3CH2CO2^-
4. CH3CHO
5. C2H5OH
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
You require 36.78 mL of 0.0105 M HCl to reach the equivalence point in the titration of 25.0 mL of aqueous ammonia. What was the concentration of NH3 in the original ammonia solution
consider the following equilibrium process at 686degcco2g h2g cog h2ogthe equilibrium concentrations of the reacting
Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temperature, and filtering the resulting mixture
A patient is given 0.050 mg of technetium-99m where m means Meta stable - an unstable but long-lived state, a radioactive isotope with a half-life of about 6.0 hours. Explain how long until the radioactive isotope decays to 6.3 x 10(-3) mg
the standard recipe used in an exercise uses 3.0 ml of 0.25 phenanthroline solution in 100 ml of final solution to
A 4.90 g nugget of pure gold absorbed 266 J of heat. What was the final temperature of the gold if the initial temperature was 23.0°C? The specific heat of gold is 0.129 J/(g·°C).
When 20.4 grams of the strong electrolyte sodium phosphate are dissolved in 143 grams of water, a. What is the molality of the solution. What is the %w/w of sodium phosphate
Consider the following reaction 2Fe 2(aq) +Cu 2 ---> 2Fe 3 (aq) Cu, When the reaction comes to equilibrium, what is the cell voltage
Using IUPAC substitutive nomenclature rules, write the name of the major organic product when 1-propanol reacts with concentrated sulfuric acid under heated conditions.
Oxygen is composed of only one kind of atom and can't be separated into simpler substances. What type of matter is it
What is the value of Kf for acetic acid, given that its freezing temperature is 16.6 C and its density is 1.049 g/mL?
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