NaHCO3 (aq) + CH3COOH (aq) —> NaCH3COO (aq) + H2O (l) + unknown gas 1. list the elements for the given reactants and the number of atoms lf each. list the elements for the given product and the number of atoms of each. based on the difference in thr number of atoms between the reactants and products, predict the unknown product.

2. calculate the temperature change of the solution. did the temperature increase or decrease?

3. was the reaction endothermic or exothermic? explain ur answer

4. what two things happened during the reaction that indicates a chemical reaction occured?