For the following reactions identify the type

5. For the following reactions, identify the type (combination, combustion, decomposition,
displacement, methathesis [double-displacement)] neutralization), balance the reaction,
and for the redox reactions identify the oxidizing agent and reducing agent. (12 points)
(a) CH
4
+ O
2
→ CO
2
+ H
Combustion/ CH
4
+2O
2
– CO
2
+ 2 H
2
O
(b) HCl + NaOH → H
2
O + NaCl
2
O

2
O
2
O
+ H
2
2
6. Calculate the molarity of each of the following solutions: (4 points)
1. 29.0 g of ethanol (C
2
H
5
OH) in 545 mL of solution
2. 9.00 g of sodium chloride (NaCl) in 86.4 mL of solution
7. Calculate the mass of KI in grams required to prepare 5.00 × 10
2
mL of a 2.80 M solution. (3
points)
8. How many grams of NaCl are required to precipitate most of the Ag
+
ions from 2.50 × 10
2
mL of 0.0113 M AgNO
3
solution? Write the net ionic equation for the reaction. (5 points)