18.1 Balance the following redox equations by the ion-electron method: (a) H2O2 Fe2 Fe3 H2O (in acidic solution) (b) Cu HNO3 Cu2 NO H2O (in acidic solution) (c) CN- MnO- 4 CNO- MnO2 (in basic solution) (d) Br2 BrO- 3 Br- (in basic solution) (e) S2O2- 3 I2 I - S4O2- 6 (in acidic solution)

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

What shape would a molecule with two bound groups and two lone pairs have?

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?