Edpuzzle cambios quimicos

Based on the equation and the information in the table, what is the enthalpy of the reaction?

When a septic tank backs up a goes in to clean it out

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?