What happen to the size of balloon if it is gone to upward direction ?​

What will most likely happen when two bromine atoms bond together?

All motion is caused by force? true or false

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.