What is the size range of particles in a colloid? a. more than 1000 nm c. between 1 nm and 1000 nm b. between 100 nm and 1000 nm d. between 1 nm and 10 nm

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid