Which spectroscopy technique is more useful
Which spectroscopy technique is more useful, IR spectroscopy or UV-vis spectroscopy. What does does each one tells us?
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Did something go wrong in the experiment? If the extracted unknown is impure, why does it's melting point have a narrow range?
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If the specific surface energy for aluminum oxide is 0.90 J/m2 and its modulus of elasticity is (393 GPa), compute the critical stress required for the propagation of an internal crack of length 0.4 mm.
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