How many grams of C2H5OH are used up when 6.25 grams of O2 react according to the following equation?
C2H5OH + 302 - 2002 + 3H2O

2. how is heavy water different from normal water

Draw the lewis dot structure for each of the following polyatomic ions

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?