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List four observations that indicate that a chemical reaction may be taking place
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The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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How many grams of mgbr2 are needed to produce 75g or metal?
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Consider the story you just read. all but one of the choices below indicate that something is living.
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24. You have recently discovered a new element, and find that this particular element has seven elec...
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