What are the extensive and intensive properties described in this experiment which properties would change and which would stay the same if you ran the expirment using 7.5-ounce cans instead of 12 ounce cans

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2