What is the bulk density of the crystal
A molecule having a molar mass of 132.8 g/mol crystallizes to a cubic solid where each edge of the unit cell is 686.0 pm. Each unit cell contains 2 molecules. What is the bulk density of the crystal?
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Kristin Company sells computers with a 6-month warranty. It is estimated that 2% of all units sold will need repairs under warranty at an estimated cost of $200 per unit.
What is the standard change in Gibbs free energy of this reaction at 25 degrees Celsius.
The spectrum of mercury contains a line at 435.8 nm in the blue region of visible light. What is the difference in energy levels in the atom that gives rise to this spectral line? Give the answer in both J and eV.
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How many minutes does it take for the concentration of the reactant,(A) , to drop to 6.25% of the original concentration?
Depict the derivation of Bragg's law with your own drawings and commentary. What does the "n" represent in the equation? Describe what is happening in terms of wave interference if n=1/2.
Titration of 50 mL sample of acetic acid is performed by dropwise addition of 0.7 M NaOH. A total of 11.9 mL of the base is required to reach the equivalence point. What was the original concentration of acetic acid before the titration began?
Question: A silver ball is suspended by a string in a vacuum chamber and ultraviolet light of wavelenght 200nm is directed at it. What electrical potential will the ball acquire as a result.
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