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Consider the formate ion, HCO2-, which is the anion formed when formic acid loses an H+ ion. The H and the two O atoms are bonded to the central C atom.
(a) Write one or more appropriate Lewis structures for this ion.
(b) Are resonance structures needed to describe the structure?
(c) What would you predict for the bond lengths in the C-O formate ion relative to those in CO2?
Calculate to the correct number of significant figures the grams of potassum iodide that are present in 899.46 mL of an aqueous solution which is known to contain 17.960 g of potassum iodide per 100.00 mL of solution.
A sample solution is to be analyzed for [Cu+2]. Three 5.0 mL aliquots are removed: to aliquot No.1 is added nothing; to No.2 is added 5?L of 100 ppm Cu+2, and to No.3 is added 10?L of 100 ppm Cu+2.
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product.
Explain why does the introduction of a solute into a solution change the freezing point? Explain how does the freezing point change
Write an equation for any changes observed.
For the reaction below, which equation represents the rate of reaction. 6CH2O + 4NH3 (CH2)6N4 + 6H2O
Radio waves travel at the speed of light, 3.00x10^8 m/s. if you were to broadcast a question to an astronaut on the moon, which is 239,000 miles from earth, what is the minimum time that you would have to wait to receive a reply
What was the volume of the gas when the temp was changed to 50.0C and the new pressure was 760.0 torr.
A sodium chloride solution is made at 68 deg F that contains 16.28 g of NaCl in 100 cc of fresh water. The fresh water density is 0.9982 g/cc. What is the density of the solution in g/cc and Lbm/gal
Determine the molar absorptivity of the acidic form of bromocresol green at 445 nm and at 615 nm. Given: Stock soln of bromoscresol green= 80.0 mg/L Molar Mass= 698.0 g/mol ?(445nm)=A445/[BG]
Pretend you isolated 120 micrograms of lawsone. You prepare a solution for UV-Vis using 9mL of 10% acetone in hexane. Explain what is the concentration of the sample mg/L
The problem gives you- 1-bromo-1-methylcyclohexane and the product is cyclohexanone You have to use two reagents or mechanisms and show an intermediate
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