A scientist observes light from a star with a wavelength λ of 97 nanometers (9.7 × 10-8 m). What is the photon energy, E, of this light? This can help:

ν=c/λ
speed of light in a vacuum, c = 3.00 × 108 meters/second
Planck’s constant, h = 4.136 × 10-15 eV ∙ s

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1