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Enough of a monproctic acid is dissolve in water to produce a 0.0147 M solution. The pH of the resulting solution is 2.31. Calculate the Ka for the acid.
Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm3. Calculate the edge length of the unit cell, in pm. (The atomic mass of iron is 55.85 amu. Also, 1 amu = 1.661 × 10-24g.)
Make a rough calculation of the amount of CO2 exhaled by a person in day. With this, and assuming a space crew of five, how much LiOH must be taken in a seven day mission? Take into consideration a safety factor of 200%.
using 1.16x10^-12 for ksp, calculate how many milligrams of Ag2CrO4 will dissolve in 10mL of H2O
The acid-dissociation constant for hypochlorous acid (HClO) is 3.0 X 10-8 . Calculate the concentrations of H3O+, ClO-, and HClO at equilibrium if the initial concentration of HClO is 0.0090 M.
A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
you are taking a walk when a bid mean dog growls and begins to chase you. The increased epinephrine will increase? a glycolysis in the liver b glycolysis in the muscle
The ionization constants for sulfurous acid are Ka1 = 1.4*10^-2 and Ka2 = 6.3 * 10^-8. Species that need to be calculated (Molarity):
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges , and that there are no other bonds between the two bonds drawn with the stereo wedges.
Which of the following species would you expect to be diamagnetic and which paramagnetic? (a) K+; (b) Cr3+; (c) Zn2+; (d) Cd; (e) Co3+; (f) Sn2+; (g) Br.
Unfortunately, a mixup in the laboratory prevented an immediate analysis, and it was not until 17.0 days later that a measurement on the blood was made.
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
Provide the reaction mechanism when p-acetaminobenzensulfonic chloride reacts with water
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