Question

Watch the Video.

http://www.youtube.com/watch?v=kLagq1koOUk&feature=related

Observations:

Describe what happened to the hydrogen peroxide when the manganese dioxide was added ___________________________________________________________


Questions and conclusions:


1. The MnO2 was a catalyst and did not get used up in the reaction. Balance the equation, if necessary, for the breakdown of hydrogen peroxide.

H2O2  H2O + O2

2. Classify the reaction that occurred as hydrogen peroxide was broken down. (Synthesis, decomposition, single replacement, double replacement)

Answer 1

What do *you* think?