A 100 W bulb is on for 180 seconds, what is the energy transferred into Joules? (Add the values from the question)

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.

The strong nuclear force acts over a small distance than the electrostatic force. true or false