1) Demonstration2) Worksheet #143) Seminar is tomorrow: Tuesday, April 1st

Energy Stoichiometry Problem

How much heat will be released when 1 mole of sulfur reacts with excess O2 according to the following equation?

2 S + 3 O2 → 2 SO3 ∆H = -791.4 kJ

List about Chemical Reactions and Energy

1) Endothermic 6) Temp.2) Exothermic 7) Coefficients

3) Potential and Kinetic 8) Units4) Forming bonds 9) Releasing5) Joules(kilo) 10) Breaking bonds

Is the reaction below an endothermic or exothermic reaction?

2 S + 3 O2 → 2 SO3 ∆H = -791.4 kJ