CAN SOME PELASE PLEASE HLEP ME

Ineed with a, b, c, d, and e on the long answer

Which type of reaction always has an element and a compound as reactants

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?