Why is a pyramid used to describe the energy available at different layers in an ecosystem

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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: