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What does the structure of isopinocampheol (the product of a hydroboration-oxidation reaction of (1R)-(+)-alpha-Pinene) indicate about the mechanism of the reaction in terms of regioselectivity and stereoselectivity?
calculate the molar mass of an unknown sunstance, if the freezing point of a solution containing 1.00 g of the unknown in 100g of camphor is 165.4 C.
If 1.500 g of solute having molar mass of 125.0 g were dissolved in 35 g of camphor, what would be the resulting freezing point of the solution?
In proteins, the amino acid histidine (His) plays an important role in many biological reactions. The pKa for the protonation of His to form HisH
Find the empirical formulas for compounds with the following compositions: a. 8.74% magnesium, 91.26% iodine b. 36.86% nitrogen, 63.14% oxygen
Calculate the pressure and temperature at which 1.0 mol of H2O, HCl, and C6H6 corresponds to the same states as 1.0 mol of CH4 at 2.00 atm and 298
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2.
The pH of a certain solution is 3.0. How many H+(aq) ions are there in 1.0 L of the solution
Please explain in detail how get the pKa to solve the problem. that the pKa is supposed to be 6.37, but that does not seem to get the right
Is it possible for the activation energy of a reaction to be negative? Explain your conclusion and provide a molecular level explanation.
Spectroscopists have observed He+ in the outerspace. This ion is a one-electron species lik ea neutral hydrogenatom. Calculate the energy emitted for the transition from the n =5 to the n = 3 state in this ion using the equation:
The paint formerly used on some storage tanks contained aluminum powder, which reflected heat from the surface of the tanks. Why did experts recommend grounding these tanks
What is an indicator and explain how it is used in titration. Enumerate the criteria in choosing the indicator for a specific titration.
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