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A typical aspirin tablet contains 500mg of C9H8O4. What amount of C9H8O4 molecules and what number of molecules of
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A 27.6ml sample of PH3 used in the manufacture of a flame retardant chemicals is obtained at stp. a)what is the mass of this gas
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Consider the following velocity distribution curves A and B a) if the plots represent the velocity distribution of 1l of He(g)
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What is the enthalpy of vaporization of a liquid that has a vapor pressure of 641torr at 85.2 degree celsius and a boiling point
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