2mg + o2 mc019-1.jpg 2mgo
niven wants to calculate the mass of mgo that is produced by t...
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2mg + o2 mc019-1.jpg 2mgo
niven wants to calculate the mass of mgo that is produced by the burning of 28.0 g of mg. what is the first step in niven’s calculation?
balance the chemical equation.
convert grams of mg to moles.
determine whether heat is given off by this reaction.
find the number of mg atoms in the sample.
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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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