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1) Use a molecular mechanics program, e.g., as in Chem3D, to calculate the relative steric energies of 2a, 2e, 3a and 3e. Based upon these calculated parameters which is the most stable conformation for the trans and cis diastereoisomers. Based upon these calculated parameters predict whether the cis or trans 3,3,5-trimethylyclohexanol should be the predominant produc.
Select all of the reaction mechanisms that are likely to occur when 1-bromonorbornane (shown) is treated with sodium ethoxide in ethanol.
Osmostic pressure causes ground water to rise in a tree trunk. What is the colligative concentration required to drive water to the top of a 100 ft tree
Why liquids rise in the cappilary tube - explain
Liquid mixtures of sodium and potassium are used in some nuclear reactors as coolants that can survive the intense radiation inside reactor cores. Calculate the energy required as heat to melt 250 kg of sodium metal at 371 K.
A 37.7mL volume of an unknown gas is collected over water at19 degrees C and a total pressure of 770torr. The mass of the gas is 68.6 mg. Define what is the pressure of the gas
A solution is 0.10M Pb(NO3)2 and 0.10M AgNO3. If solid NaCl is added to the solution what is [Ag+] when PbCl2 begins to precipitate? (Ksp PbCl2 = 1.7 x 10^-5; AgCl = 1.8 x 10^-10)
reacted with 0.0040 mol NaOH (very strong base) and then brought up to a volume of 1.0 liter with water. What is the pH of the resulting solution?
How do you determine the intermolecular forces in molecules based off of the polarity of a given molecule
The entropy of hydration becomes additional negative from Na+ to Mg2+ to Al3+ though the coordination number is probably 6 in each case. Account for the trend in disorder.
When 26.5 grams of a substance absorbs 40.1 J of heat, the temperature of the substance increases from 27.0oC to 68.3oC. What is the specific heat of the substance
evaporated the water from NaOH extracts prior to adding acid?
what volume of rmo2 gas in rm l measured at 795 rm mmhg and 33circ rm c is required to completely react with 54.0 rm g
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