The chemical formula for the initial sample is mnso4·h2o and the chemical formula for the final sample is mnso4. use their molecular masses to calculate the theoretical percent mass of water in the initial sample. report your result to 3 significant figures, e. g. 11.3%
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Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
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Which statement best describes what happens when molecular compounds melt
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The chemical formula for the initial sample is mnso4·h2o and the chemical formula for the final samp...
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