Please help I don’t understand this

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

In physics the desire of an object to keep doing what it is doing is termed?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.