What is the maximum rate constant for the recombination of iodine atoms under these conditions?

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

At which temperature would a reaction with ah= -220 kj/mol and as=-0.05 kj/(mol-k) be spontaneous?

Intermolecular forces. question i need with: the only intermolecular forces that affect non polar molecules are forces.