demos

B Pd.:
For exo/endo reaction demo, did ammonium nitrate with barium hydroxide (do NOT add water) = endo and sodium hydroxide dissolving.

Showed NI3 video (#64) for low activation energy.

D: show NI3 vid on Wed.

09/20 G: got up to lim reactant problem but still have to calculate the remaining reactant quantity.
Did redox balancing, combustion analysis with warning about using atomic and NOT molecular masses in generating the empirical formula.
09/20 B: finished through Dalton's Postulates.
D: same as B did lab safety.

must print final quiz version of matter and energy.

still have to do the luminol demo (perhaps for the parents tonight.