The particles of a more dense substance are closer together than the particles of a less dense substance.

TRUE
FALSE

Which describe reflection? check all that apply. light bounces off a boundary.

Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )

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