Is. Mg(s) > Mg2+(aq) + 2e−

oxidation or reduction?​

How is the composition of a meteorite relevant to finding out the composition of earth's core?

State one important difference between a physical change and a chemical change?

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?