How might knowing about enrgy roles help you understnd whats happening in the pond?

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

2. how is heavy water different from normal water

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion