How many calories are needed to warm 75.1 g of water at -32.7c to 127c

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

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

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: