Chemistry, 10.12.2020 17:10 Travon6524

3. What do the most abundant elements in Earth's atmosphere have in common?

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Chemistry, 21.06.2019 23:00, jamccoy3335

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Chemistry, 22.06.2019 09:00, Aminton737

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Chemistry, 22.06.2019 10:30, scott5315

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?