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What is the maximum number of electrons in an atom that can have the following quantum numbers? Explain.
a) n = 4, l = 2
b) n = 3, ml = +1/2
The pkas of sulfuric and nitric acids are -3 and -1.3, which acid is stronger. Given your predication, write a chemical equation for the equilibrium involving reaction of sulfuric and nitric acids.
The compound malonate is an analog of succinate and is a strong inhibitor of succinate dehydrogenase. The active site of the enzyme will bind to either molecule, however malonate will not undergo any reaction and gets stuck on the enzyme.
What is the mass of silver in 3.4 g AgNO3. Show and explain each step and solve.
calculate the ph of a solution made by adding 18 g of sodium acetate nach3coo to 20. g of acetic acid ch3cooh and
Describe the preparation of 1.50 L of a solution that is 12.0 ppm in K+, starting with solid K4Fe(CN)6.
Alpha helices are a type of secondary structure in proteins. what is the length of a 53-kDa single-stranded alpha-helical protein segment?
what mass of water is required to dissolved in 175g KNO3 to produce a 2.25 m solution?
strontium nitrate and calcium carbonate are soluble salts B. barium fluoride and lithium chloride are soluble salts C. barium nitrate and sodium phosphate are soluble salts
ammonia, NH3, reacts with hypochlorite ion, OCl-, to produce hydrazine, N2H4. How many moles of hydrazine are produced from 5.85 mol of ammonia if the reaction has a 78.2% yield
Consider formic acid, HCOOH (Ka= 1.9 x 10^-4) and its conjugate base, HCOO^- with a Kb of 5.3 x 10^-11. Write a net iconic equation for the reaction in aqueous solution between HCOOH and NaOHl, and calculate K.
Which of the following will have the lowest freezing point?
Why do we measure the volume of the flask with water rather than using the volume listed on the side?
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