In: Physics
How much internal energy Eint is in the air in a 10 m *10 m * 10 m room at standard temperature and pressure? ( answer: 2.5 * 108 J)
Here, internal energy Eint is in the air = 5/2 * nRT
= 5/2 * PV
= 5/2 * 1.013 * 105 * (10 * 10 * 10)
= 2.5 * 108 J