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Draw a mechanism for the electrophilic aromatic substitution of azulene with NO2 please show bond forming arrows.
In the formula for sodium phosphate (Na3PO4) how many moles of sodium are represented? How many moles of phosphorus? how many moles of oxygen?
Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
You may use expanded, condensed, or line structures, provided they are neat and legible. If you could not identify one of your components, then pick an appropriate component from the list of unknowns.
How are crops genetically modified? What are the health consequences of athletic supplements? How do fuel cells work? How does aspirin cure headaches?
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
Let's say that you are given a 0.215g of unknown weak acid and asked to dilute with 75 mL of DI water. You then use a standardized 0.125 M NaOH to titrate the unknown acid solution
The pH at 25 °C of an aqueous solution of the sodium salt of p-cresol (NaC7H7O) is 11.60. Calculate the concentration of C7H7O- in this solution, in moles per liter. Ka for HC7H7O is equal to 6.7E-11.
Where did the energy required to maintain the system at a constant temperature in the two isothermal processes described? PAth A- sudden irreversible decrease in pressure from P1 to P2 ( P2
an unknown amount of CO2 occupies a volume of 9.04 L at 25°C and 1.17 atm pressure. How many moles of CO2 are there in this sample?
Determine the mass of propylene glycol neded to substitute one gallon of ethylene glycol and also find out the volume of propylene glycol, required to get the same antifreeze protection as one gallon of ethylene glycol.
A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Determine what is the mass percent yield from 2.57 grams of Sb in excess Sulphur , if 1.56 g of Sb 2 S 3 is obtained?
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