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What observed rotation is expected when a 1.10 M solution of (R)-2-butanol is mixed with an equal volume of a 0.550 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long? The specific rotation of (R)-2-butanol is -13.9 degrees mL g-1 dm-1.
for ammonia, Kb is 1.8*10^-5, to make a buffered solution with pH of 10.0, the ratio of [NH4+] to [NH3] must be
A cylinder of helium has a volume of 8.00 L. The pressure of the gas is 388 lb in-2 at 25C. What volume will the helium occupy at standard atmospheric pressure (14.7 lb in-2) assuming there is no temperature change?
The reaction will be spontaneous at high temperatures because increasing the temperature of a system with a negative change in S eventually results in a positive change in G.
Given a 4.50 L container of helium at 298 K and 1.00 atm, and a 3.00 L container of argon at 298 K and 1.00 atm, write a brief statement to explain whether or not atoms of He and Ar in their respective containers have the same average speed.
how many grams of NACL would you need to add to 1 liter water sample ph=7 so that ionic strength equaled to 0.1M
Calculate the PH of the cathode compartment solution if the cell emf at 298K is measured to be 0.660V when (Zn^2+)=0.22 M and(P_H2)= 0.87atm
The organic solvent pyridine, C5H5N (aq) is a base with a strong irritating odor. Calculate the pH of a 0.300 M aqueous solution of PYRIDINe at 25 degrees Celcius.
what are the names of the products in this equation?
smaller dipole moment than formaldehyde, H2C=O, even though it contains electronegative chorine atoms in place of hydrogen. Explain
Assume that only a single stream exits the fuel cell. What is the flow rate of each of the species leaving the fuel cell? Not that the flow rates given to correspond a fuel cell rate at approximately 50kW using 2004 technology.
A mammalian species uses the following metabolic pathway to obtain another bioactive substance. Draw the skeletal structure of the product of each metabolic process. (Show your product in the unionized state and omit any stereochemistry. You may c..
Find the molar mass of the compound. The reezing point of benzene is 5.49 degree celcius.
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