question_answer 4)

A cylinder with a movable piston contains 3 moles of hydrogen at standard temperature and pressure. The walls of the cylinder are made of a heat insulator, and the piston is insulated by having a pile of sand on it. By what factor does the pressure of the gas increase, if the gas is compressed to half its     original volume ? Given

Answer:

As no heat is allowed to be exchanged, the process is adiabatic.                          or                    As