Answered: If you have an element that gives a…

If you have an element that gives a flame with a wavelength of 750 nm, what is the Energy of that flame? Answer in J but do not include units. Also use the format where: 100000= 1.00e5

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

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If you have an element that gives a flame with a wavelength of 750 nm, what is the Energy of that flame? Answer in J but do not include units. Also use the format where:
100000= 1.00e5

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In Einstein's photoelectric experiment, the kinetic energy (K.E.) of an electron displaced from a metal by a photon was the difference in energy between the photon and a threshold energy value for the metal. If you were to perform a similar experiment with the metal silver, which has a threshold energy of 7.43 × 10⁻¹⁹ J, and ultraviolet light of wavelength 45.5 nm, what would be the speed (v) of the dislodged electron in meters per second? (K.E. = 1/2mv². The mass of the electron = 9.109 × 10⁻³¹ kg.)