Which substance cannot be broken down by chemical means? alumimium, methane, water, ammonia?

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

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: