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Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o
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The arrangement of particles is most ordered in a sample of
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The vapor pressure of water at 25.0Β°c is 23.8 torr. determine the mass of glucose (molar mass = 180 g/mol) needed to add to 500.0 g of water to change the vapor pressure to 22.8 torr.
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Large crystals are formed when igneous rocks cool very slowly igneous rocks cool very quickly sedimentary rock is eroded metamorphic rocks change into igneous rock
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What element is being oxidized in the following redox reaction? Pb 2+(aq) + NH4 +(aq) - Pb(s) + NO3...
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