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When heat is applied to 80 grams of CaCO3, it yields 39 grams of B. Determine the percentage of the yield.
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What state of matter is ice a. liquid b. element c. solid d. gas
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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When heat is applied to 80 grams of CaCO3, it yields 39 grams of B. Determine the percentage of the...
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