In the following combustion reaction, which one of the following substances is considered to be a hydrocarbon? O

CHOH + O2 CO2 + H2O
02
O CO2
H20
CHOH

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?