Chemistry March 23, 2015

•OBJECTIVE: Students will learn how to balance chemical equations by completing examples on the board and in their note-books.

•W.O.D. Obdurate-unyielding to persuasion or moral influences.

•WARM-UP

1.Iron metal combines with oxygen gas to form solid iron(III) oxide.

   (a) Name the reactant(s) and product(s) in this reaction.

  (b) Write a skeleton equation for this reaction.

Home work

•Page 339 #22-27
Bring a penny to class for a lab

Classwork

Examples of balancing equations

1.H2 + O2 → H2O

2.H2 + N2 → NH3

3.H2O2 → H2O + O2

4.CH4 + O2 → CO2 + H2O

5.SO2 + O2 → SO3

6.P + O2 → P4O10

7.Fe2O3 + H2 → Fe + H2O

8.Zn(OH)2 + H3PO4 → Zn3(PO4)2 + H2O

9.FeCl3 + NaOH → Fe(OH)3 + NaCl

10.CS2 + Cl2 → CCl4 + S2Cl2