Could y’all help me out with question 4, I really do not understand how to do it. Please help

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

Argon, neon, and xenon are examples of