Title: 3. CHEMICAL REACTION OR CHEMICAL EQUATION?
Course: Chemist€ry

Previously to well understand Lavoisier’s Law, we need to know a few concepts.

Watch this video^3, click the following image.

Sand + Water = NOTHING HAPPENS = NONE CHEMICAL REACTION

Chalk + Vinegar = SOMETHING HAPPENS = CHEMICAL REACTION

After watching the following video^4 (click the image under), you should be able to answer the following questions in Activity 3.

Video 3: Instituto Bisbe Berenguer, Hospitalet del Llobregat, Catalunya. Març 2020

Video 4: https://www.youtube.com/watch?v=TStjgUmL1RQ , from KhanAcademy