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Distinguish between which are aromatic compound given multiple structures, How can you tell the difference between which set of given compound structures would have highest resonance energy?
1. the halide ion from HBr will act as the nucleophile in the first step of the reaction 2. the halide ion will act as the nucleophile in the second step of the reaction
effects of solvent water on the photophysical properties of a series of meta- and para-substituted anilines have been
Calculate the pH of the following solutions: 1.) 0.100 moles of HF and 0.120 moles of NaF in a 1.00 liter solution.--- 2.) a solution that has 0.10M NH4NO3 and 0.10 M NH3.--- 3.)0.100 moles of HF and 0.200 moles of NaCN in 1.00 liter solution.
write the expression for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.
barium metal crystallizes in a body centered cubic lattice. the unit cell edge length is 502 pm and the density of the
what is the purpose of anhydrous CaCl2? Why it is important that none of the solid CaCl2 be included in the final distillation of your 1-bromobutane?
what is the molarity of an aqueous solution containing 360g of glucose in 2.0L of solution.
Explain how you would prepare 100.0mL of a solution, using pure solute and water, that is 0.050 M in sodium hydrogen phosphate.
If 125 calories of heat is applied to a 60.0 grams piece of copper at 21.0 degrees Celsius, what will the final temperature be? The specific heat of copper is 0.0920 calories per grams times Celsius.
A car battery contains 1.0 L of 4.3 M sulfuric acid. Using the value in your answer to question E., calculate how many TUMS® tablets would be required to neutralize all the sulfuric acid in a car battery.
Are there certain shapes (tetrahedral, bent, linear) of coordinated covalent bonds that will signal if it is polar or non-polar
Use line notation to represent the electrochemical cells for each of the following overall redox reactions
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