5.51 Determine the molecularity and write the rate law for each of the following elementary steps:
(a) X - products
(b) X + Y products
(C) X + Y +Z — products
(d) X + X - products
(e) X + 2Y products
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

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: