Name _____________________________ Date _____________ Period _____ Journal September 16, 2013 Academic 1. Which of the following substances has more atoms? Use the T format with all numbers labeled. 6.0 moles carbon __________________________ 2.0 moles Cl __________________________ 25.0 grams Argon__________________________ 2. In the following reaction: Pb(NO3)2 (aq) + KI (aq) PbI2 (s) + 2KNO3 (aq) List the Reactants and the Products. __________________________ What color was the solid Precipitant? __________________________ 3. List 2 or more substances from the demonstrations/activities that were clear and homogeneous solutions. ____________________________________________________ 4. What is the Law of Conservation? ___________________________________________________ 5. List 2 or more heterogeneous substances from the demonstrations/activities. __________________________ 6. Describe a Qualitative observation ____________________________________________________ 7. Describe a quantitative observation ____________________________________________________ 8. Convert the following. a. 610 cg to Kg (use T format and scientific notation) b. 420 grams of Titanium to the number of atoms (go to 1.0 mole 1st. ) 9. Change 3.5 weeks to seconds 10. List 1 or more demos that showed a physical change. Why? ______________________________________ 11. List 1 or more demos that showed a chemical change. Why? _____________________________________ 12. List the 1 or 2 acid base indicators from the demos. _____________________________________ 13. List a catalyst from the demos. _____________________________________