A photon with energy 2.87 eV is absorbed by a hydrogen atom. (a) Find the minimum n for a hydrogen atom that can be ionized by such a photon. 3 Correct: Your answer is correct. (b) Find the speed of the electron released from the state in part (a) when it is far from the nucleus. km/s

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Using data from seismic waves, geologists have learned that earth’s interior is made up of several