Why is atp an example of chemical potential energy?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Which diagram represents the phase tha occurs after a solid melts?

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.