Determine the radius of an aluminium atom
Determine the radius of an Al atom (in pm) if the density of aluminum is 2.71 g/cm3. Aluminum crystallizes in a face centered cubic structure with an edge length of 2sqrt2 r.
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Write full electronic configuration of Period 3 element with following successive Ionization energies (ie1 = 738 KJ/mol, IE2=1450KJ/Mol, IE3 = 7732 KJ/Mol, IE4 = 10539 KJ/mol and IE5 = 13628 KJ/Mol.
Explain why many blacks, especially in the North, did not believe that the civil rights legislation passed in 1964 and 1965 went far enough. Also, what were the main reasons for the increased American involvement in Vietnam?
A 43-N child is in a swing that is attached to ropes 1.6 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times.
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
What is the purpose of the National Security Council and how is it organized to meet its purpose How is relationship with PDD-63 related to PDD-62 Counter-Terrorism? How are they common?What was the impetus for the enactment of the National Security
How did the adoration of Thomas Edison, Henry Ford, and, especially, Charles Lindbergh illustrate the ambivalence with which many Americans regarded the decline of the "self-made man?"
A 0.140-kg baseball is pitched a 45 m/s. The batter hits it horizontally to the pitcher at 60 m/s. Find the change in momentum
A dentist uses a small mirror of radius 37 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 10 mm from the tooth, what is the magnification of the image?
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