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Draw a structural formula of the R configuration of the compound shown below. Illustrate the stereochemistry about the chiral carbon using the "single up" (solid wedge) and "single down" (hashed-line wedge) bond tools. Show explicitly the bonds to any hydrogens attached to a chiral carbon.
A copper refinery produces a copper ingot weighing 171 lb. If the copper is drawn into wire whose diameter is 8.25 mm, how many feet of copper can be obtained from the ingot?
When the following epoxide was treated with aqueous acid or base respectively, a pair of isomers were produced. Complete the following reactions explain the formation of each product with a mechanism (include all intermediates formal charges and c..
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/t (in K ) is linear and has a slope of ?1.13×10^4 K.
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done
The pH in the stomach of a certain animal is 3.8. This means that the hydrogen ion concentration in the stomach
A 115-g sample of steam at 100 degrees C is emitted from a volcano. It condenses, cools and falls as snow at 0 degrees C. How many kilojoules of heat were released
What is the sum of the stoichiometric coefficients when the reaction is balanced to lowest common denominator
Acid catalyzed hydration of 3-hexene gives only one alcohol with the molecular formula C6H14O. A) Draw the structure of 3-hexene.
Calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60 torr at 40 degrees celcius.
The optimal temperature for the action of lactate dehydrogenase is 36*C. It is irreversibly inactivated at 85*C, but a yeast containing this enzyme
the specific heat capacity of zinc is 0.389J/Kg, and that of water near 100 degrees celsius is 4.22J/Kg. Calculate the final temperature reached ny the zinc and water
Liquid pentane (C5H12) has a density of 0.6262 g/mL at 20°C. Find the true mass (mtrue) of pentane when the mass weighed in air is 12.580 g. Assume the air density is 0.0012 g/mL and the balance weight density is 8.4 g/mL.
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