1. With the aid of the following balanced equation and molar masses (MM), determine the answer for the following question.

2 C7H14 + 21 O2 → 14 CO2 + 14 H2O

MM 98.2 32.0 44.0 18.0

How many mol of O2 are required to react with 19.2 g of C7H14?

2. Balance the following chemical equation by placing a coefficient (**including** **1**) in each answer box that is in front of each reactant and each product.

**While coefficients that are equal to 1 are not placed in front of either a reactant or product, you MUST include any coefficient that is equal to 1 in this problem.**

H2SO4 + Re(OH)7 → Re2(SO4)7 + H2O

3. Balance the following chemical equation by placing a coefficient (**including** **1**) in each answer box that is in front of each reactant and each product.

**While coefficients that are equal to 1 are not placed in front of either a reactant or product, you MUST include any coefficient that is equal to 1 in this problem.**

______C9H16_____ + O2 →______ CO2 +_______ H2O

4. Balance the following chemical equation by placing a coefficient (**including** **1**) in each answer box that is in front of each reactant and each product.

**While coefficients that are equal to 1 are not placed in front of either a reactant or product, you MUST include any coefficient that is equal to 1 in this problem.**

________V +______ O2 → ________ V2O5

5. With the aid of the following balanced equation and molar masses (MM), determine the answer for the following question.

2 C6H14 + 19 O2 → 12 CO2 + 14 H2O

MM 86.2 32.0 44.0 18.0

If 0.441 g of C6H14 are reacted with excess O2, what is the theoretical yield (in **mL**) of CO2. At the temperature and pressure at which this reaction was conducted the density of CO2 is equal to 1.77 g/L.?