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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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What will most likely happen when two bromine atoms bond together?
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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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2 H2(g) + O2(g) 2 H2O(l) ΔH = +571.6 kJ
Refer to the chemical equation above. What is the approxima...
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