Name _________________________________________ pd ______ LIST your Initial Observations:

1. Claim: Mixing NaHCO3, CaCl2, and Phenol Red produces a chemical reaction. Use evidence to support the above claim. (You should have at least 3 pieces of evidence. Use 3 – 5 complete sentences.) ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ Claim:Mixing NaHCO3, CaCl2, and Phenol Red produces an exothermic chemical reaction. Use evidence to support the above claim:One complete sentence. ________________________________________________________ ________________________________________________________ ________________________________________________________ Claim:Mixing NaHCO3, CaCl2, and Phenol Red provides evidence for the law of conservation of mass. Use evidence to support the above claim:One complete sentence. ________________________________________________________ ________________________________________________________ ________________________________________________________ Name _________________________________________ pd ______ LIST your Initial Observations: Calcium Chloride (CaCl2): ________________________________________________________ ________________________________________________________ ________________________________________________________ Baking Soda (NaHCO3): ________________________________________________________ ________________________________________________________ ________________________________________________________ Phenol Red Solution: ________________________________________________________ ________________________________________________________ ________________________________________________________ LIST your observations During and After Reaction: ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________