1. Write the complete balanced equation for the reaction that occurs when C6 H6 combusts in O2.
2. What types of questions can be answered through science, and what questions are beyond the boundaries of science? Be specific and give examples to support your answer.
3. Describe the main points of Dalton's atomic theory and then explain what points of the theory are still accepted in modern atomic theory and what points have been changed as the result of later experiments and discoveries.
4. If 7.65 grams of iron (III) oxide react with 6.85 grams of carbon monoxide to produce 5.10 g of pure iron, what are the theoretical yield and percent yield of this reaction? Be sure to show the work that you did to solve this problem. unbalanced equation: Fe2O3 + CO --> Fe + CO2.
5. Write the complete balanced equation for the reaction between CaCO3 and KCl.