Determine the Root Mean Square Velocity (vRMS) of a molecule of uranium(VI) fluoride (AKA Uranium hexafluoride) when the temperature is 77°C.

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

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:

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?