What does temperature measure in a sample of matter? A. The exact speed of the particles B. The average kinetic energy of the particles C. The average number of particles D. The exact atomic number of the particles Plz answer

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.