Homework answers / question archive / chemistry-1 Final    The maximum amount of product that can be formed in a chemical reaction can be calculated from the number of moles of the reactant in excess If a compound contains three elements, the empirical formula cannot be determined by performing analyses for just two of those elements You cannot calculate the theoretical yield for a reaction, knowing the starting amounts of each reactant and a balanced chemical reaction If you know the mole ratio of a compound, you need more information to determine the molecular formula The total number of moles of reactants is necessarily the same as the total number of moles of products in a balanced chemical reaction If you know the molecular formula of a compound, and have access to a periodic table you can determine the formula weight Combustion in air involves a reaction with oxygen Zinc (I) phosphate will have the formula Zn?(PO?)

chemistry-1 Final    The maximum amount of product that can be formed in a chemical reaction can be calculated from the number of moles of the reactant in excess If a compound contains three elements, the empirical formula cannot be determined by performing analyses for just two of those elements You cannot calculate the theoretical yield for a reaction, knowing the starting amounts of each reactant and a balanced chemical reaction If you know the mole ratio of a compound, you need more information to determine the molecular formula The total number of moles of reactants is necessarily the same as the total number of moles of products in a balanced chemical reaction If you know the molecular formula of a compound, and have access to a periodic table you can determine the formula weight Combustion in air involves a reaction with oxygen Zinc (I) phosphate will have the formula Zn?(PO?)

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chemistry-1 Final 

1. The maximum amount of product that can be formed in a chemical reaction can be calculated from the number of moles of the reactant in excess
2. If a compound contains three elements, the empirical formula cannot be determined by performing analyses for just two of those elements
3. You cannot calculate the theoretical yield for a reaction, knowing the starting amounts of each reactant and a balanced chemical reaction
4. If you know the mole ratio of a compound, you need more information to determine the molecular formula
5. The total number of moles of reactants is necessarily the same as the total number of moles of products in a balanced chemical reaction
6. If you know the molecular formula of a compound, and have access to a periodic table you can determine the formula weight
7. Combustion in air involves a reaction with oxygen
8. Zinc (I) phosphate will have the formula Zn?(PO?). Phosphate is the polyatomic ion PO?³?
9. Barium Iodide will have the formula Ba?I
10. If you know the structural formula of a molecule, you can determine the molecular and empirical formulas