You have two balls in a glass of liquid. Ball A sinks to the bottom. Ball B floats. Which ball is the densest?

A.
B

B.
You can not tell which ball is the densest with this information

C.
A

D.
A and B

The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be: