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4 Practice Questions on Fundamentals of Chemistry | CHEM 1075, Assignments of Chemistry

Material Type: Assignment; Professor: Kelley; Class: Fundamentals of Chemistry; Subject: SCIENCE/Chemistry; University: NorthWest Arkansas Community College; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 08/16/2009

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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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Download 4 Practice Questions on Fundamentals of Chemistry | CHEM 1075 and more Assignments Chemistry in PDF only on Docsity!

Chem 1075 Chapter 10 Practice Name________________________

  1. Balance the following reaction: _____ Fe (s) + _____ O 2 (g) —> _____ Fe 2 O 3 (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 O 2 gas react, then how many grams of iron would be used up?

C) If 20.0 g of Fe and 20.0 g of O 2 were reacted with each other, determine how many grams of product would be formed. Which reactant is limiting? Which is excess?

  1. 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?_______________________________

PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com