CRITICAL THINKING AND PROBLEM SOLVING
1. Do you think beans are pure substances or mixtures.? Why?
2. Classify the following substances as homogeneous or heterogeneous mixtures: a. tomato juice b. apple juice c. mayonnaise d. pudding e. chicken soup.
3. List the names of the elements and the number of atoms of each in the following molecules:
a. NaCl b. H2O c. H2SO4 d. H2 e. C6H12O6
4. How many molecules of water are represented in the following equation?
C2H5OH + 3O2 → 3H2O + 2CO2