Whats the answer giving brainliest HELP please

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Is 343 in the sequence -5, -2, 1, 4, 7

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?