Chem 1075 Chapter 10 Practice B: Balancing Chemical Equations and Calculating Masses - Pro, Assignments of Chemistry

Chem 1075 Chapter 10 Practice B Name____________________

1. Balance the following chemical equation:

_____C8H18 + _____O2 —> _____H2O + _____CO2

2. What type of reaction would it be classified as?_________________________

3. How many molecules of C8H18 are in 25.0g of octane?

4. Using the balanced equation above, consider each of the following questions separately from each other.

A) If 25.0 g of octane, C8H18, are reacted, then how many grams of oxygen are needed?

B) If 54.32g of water are formed, then how many grams of carbon dioxide would also form?

C) If 15.0 g of C8H18 were reacted with 25.0 g of O2, then how many grams of water would be