What are the diatomic molecules?, HOFBrINCl, Which law explains why reactions need to be balanced?, The law of conservation of mass, Which law explains why some reactions show a change in temp?, The law of conservation of energy, How do you know a reaction of exothermic by a graph, if potential (chemical) energy is decreasing, How do you know if a reaction is endothermic?, If potential (chemical) energy is increasing, What is a combustion reaction?, When something reacts with oxygen to create water and carbon dioxide, What is a neutralization reaction?, when an acid and a base react to form water and a salt, What does pH measure?, The amount of hydrogen ions in the solution (more hydrogen ions= lower pH), what happens if an acid is added to a base?, The pH will decrease

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