My brother-in-law is a mining engineer.  Part of his job is to determine how much ore he needs to mine and the costs associated with mining it.   Determine the amount in g of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the chemical equation below? 2Al + Cr2O3 → Al2O3 + 2Cr

Q: Balance

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Q: What mass of ammonia can be made from 20.0 g of hydrogen? 3H₂+ N₂ → 2NH₃

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Q: and water. Write the balanced chemical equ

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Q: In this reaction, if 12 g of aluminum oxide are consumed, how many grams of oxygen gas are produced?…

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Q: Consider the following balanced equation: Fe3O4   +   4 H2   →   3 Fe   +   4 H2O How many moles…

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Q: 1.What mass of Cu(IO3)2 can be formed from 0.650 g of CuSO4 · 5H2O? 2. What mass of KIO3 is needed…

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Q: If you start with 0.985 grams of copper wire, what mass of gas should be formed in the reaction?…

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Q: How many grams of magnesium oxide can be produced by reacting 0.248 g magnesium that is 97.5% pure…

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Q: Hargreaves process is an industrial procedure for making sodium sulfate (Na2SO4) for use in…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".