Which statement describes the exothermic reaction represented by this graph?
Potential energy
Reaction progress
O A. The amount of potential energy remains constant.
O B. Energy is absorbed during the reaction
O C. Energy is first given off and then absorbed.
O D. Energy is given off by the reaction

How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.