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Imagine a universe in which the four quantum numbers can contain the same possible values as in our universe except that the angular-momentum quantum number l can have integral values of 0, 1, 2, ..., n+1 (instead of 0, 1, 2, ..., n?1).
1) Explain how many elements would be in the first two rows of the periodic table in this universe?
2) Explain what would be the atomic number of the element in the second row and fourth column?
how many grams of zinc must react with sulfuric acid in order to obtain 500mL of hydrogen at 20 deg c and 770 mm hg?
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a student collected the following date while using the procedure described in this module 27.13 ml of 0.01m edta
A .1155 L sample of an unknown HNO3 solution required 42.9mL of .10M of Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution
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The titration required 21.62 ml to turn he solution clear. What was the concentration of the iodate in the solution? What was the Ksp that the student determined for the titration?
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Alpha helices are a type of secondary structure in proteins. what is the length of a 53-kDa single-stranded alpha-helical protein segment?
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