Answer :
Final answer:
The pressure on the walls of the drum would increase when it is filled with petroleum ether to the top.
Explanation:
a. Determine the amount of pressure applied to the walls of the drum if the petroleum ether fills the drum to its top:
- Pressure on walls: If the drum holds 800 liters, equivalent to 0.8 m³, the pressure would increase due to the additional volume pressing against the walls.
Learn more about Pressure on drum walls here:
https://brainly.com/question/37267473