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(a) If the core electrons were totally effective at screening the valence electrons and the valence electrons provided no screening for each other, what would be the effective nuclear charge acting on the 3s and 3p valence electrons in P?
(b) Repeat these calculations using Slater's rules.
(c) Detailed calculations indicate that the effective nuclear charge is 5.6+ for the 3s electrons and 4.9+ for the 3p electrons.Why are the values for the 3s and 3p electrons different?
(d) If you remove a single electron from a P atom, which orbital will it come from? Explain.
The observed rotation of a solution of 1.2 g of a compound in 10 mL of water is -6.9 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound
Molecular mass of a sample of 0.299 g of a gas in a 0.220 L bulb under a pressure of 0.757 atm and at a temperature of 250 C
determine at what pressure will pure H 2 O start to boil if its temperature is seventy five degree Celsius
Write the overall reaction, showing how much ATP (Adenosine tri phosphate) can be produced per pentose used also write an equation for the generation of NADPH using ribose as a sole source of carbon?
Which element (sulfur or oxygen) would you expect platinum, mercury, iron, and zinc halides to coordinate with in DMSO
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
Strong base is dissolved in 615 mL of 0.400 M weak acid (Ka = 4.50 × 10-5) to make a buffer with a pH of 3.95. Assume that the volume remains constant when the base is added.
A sample of zinc metal reacts completely with an excess of hydrochloric acid: Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) The gaseous product is collected over water at 25.0oC and barometric pressure of 0.980 atm.
The density of a human body can be approximated by the density of water, which is equal to 1.000 x 103 kg/m3. What volume will a 185 lb person occupy in liters
The volume of KHC2O4 solution required to reach equivalence is 26.7 mL. What is the concentration of the original KOH solution. What specific observation identifies the endpoint of the titration
To prepare a solution of NaCl, you weigh out 2.634(±.002)g and dissolve it in a volumetric flask whose volume is 100.00(±0.08)ml. Express the molarity of the solution, along with its uncertainty, with an appropriate number of digit.
how would you synthesize 2-ethyl-1,3-hexanediol in the lab setting? starting from simple organic compounds such as benzene
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