Soap bubble volume after combining · CAP 2019 #20

Physics · thermodynamics

Problem

Two soap bubbles combine, forming a bigger one. After the temperature stabilizes to become the same ambient temperature as before, is the volume of the gas inside the bigger bubble: a) The same as the sum of the volumes of the smaller bubbles b) Larger than the sum of the volumes of the smaller bubbles c) Smaller than the sum of the volumes of the smaller bubbles d) Not enough information to find out.

Related theory

Browse the problem library