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For many years the face of drug abuse has been cocaine, heroin, meth-amphetamines and alcohol. Only within recent years have we started to realize that their is a prescription drug abuse problem that is just as rampant. Why is that? Was this distinction created by society? And if so, for what reason? Write at least 3 Paragraph Explaining each Questions.
Using the bond energies below determine the value and sign of delta H
If the initial concentration of cyclopropane is 0.150 M, what will the concentration of cyclopropane be after 22.0 hours? b) What is the half-life for the conversion process?
A student constructs a coffee cup colrimeter and places 50 ml of water into it. After a brief period of stabilization, the temp of the water in the calorimeter is 23.5 celsius
What will be the final temperature of the water in an insulated container as the result of passing 5.00g of steam [H2O(g)] at 100.0 degreesC into 100.0 g of water at 25.0degreesC
An unknown liquid boiling around 185 +/_ 5 degrees C in 5% HCl and in a pH 5.5 buffer but is insoluble in water. Shaking the unknown with p-touluenesulfonyl chloride in aqueous NaOH produces a white precipitate that doesn't dissolve in dilute HCl...
Calculate the concentration of silver necessary to begin precipitation of AgCl from a solution in which the Cl concentration is 7.4e-4 M.
In the Haber-Bosch Process, nitrogen and hydrogen gas are reaceted under high temperature (500 C) and pressure (200 atm) to form ammonia gas (NH3) according to the equation
Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).
Determine the new volume of a 1.3 L balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at the temperature of -11.5 degree celsius.?
A chemist decomposes several samples of water into hydrogen and oxygen and weighs the hydrogen and oxygen obtained. The results are: 1) 1.5g H and 12g O 2) 2g H and 16g O 3) 2.5g H and 20g O.
What would the internal energy of the gas be if it were compressed to .10 m^3 while the pressure was held constant?
Antimycin A blocks electron transport in Complex III of mitochondria. Could the addition of antimycin A to chloroplasts affect chloroplast ATP and/or NADPH synthesis. why or why not.
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