PS2+(Ext)+-+6


 * Students demonstrate an understanding of physical, chemical, and nuclear changes by…**

__6aa using chemical equations and information about molar masses to predict quantitatively the masses of reactants and products in chemical reactions.

6bb using quantitative heat flow or calorimetric investigations to determine the energy released or consumed in the process.

6bbb qualitatively and/or quantitatively predicting reactants and products in a prescribed investigation. (e.g. Acid-base. Redox__**__).__**