Chem 1075 Chapter 10 Practice Name________________________
1. Balance the following reaction:
_____ Fe (s) + _____ O2 (g) —> _____ Fe2O3 (s)
2. What type of reaction would it be classified as? _______________________
3. Using the balanced equation, consider each of the following questions separately from each
other.
A) If 10.0 g of Fe reacted, then what mass of iron (III) oxide would be formed?
B) If 35.00 g of O2 gas react, then how many grams of iron would be used up?
C) If 20.0 g of Fe and 20.0 g of O2 were reacted with each other, determine how many
grams of product would be formed. Which reactant is limiting? Which is excess?
4. If you are making hamburgers, according to the “balanced equation”, and you have 5 buns, 8
meats, and 11 pickles, then answer the following questions:
1 bun + 2 meats + 3 pickles —> 1 hamburger
a) How many hamburgers can be made?____________
b) What is your limiting reactant?_______________________
c) What excess reactants do you have left over, unused?_______________________________
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