A light photon with a wavelength no greater than 406 × 10-9 m is required to split apart hydrogen iodide according to the equation: HI(g) → H(g) + I(g) Calculate the energy (kJ) required to break apart a mole of hydrogen iodide. Express answer in scientific notation.

A light photon with a wavelength no greater than 406 × 10-9 m is required to split apart hydrogen iodide according to the equation: HI(g) → H(g) + I(g) Calculate the energy (kJ) required to break apart a mole of hydrogen iodide. Express answer in scientific notation.

Chemistry & Chemical Reactivity

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ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability

Section20.3: Energy

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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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A light photon with a wavelength no greater than 406 × 10^-9 m is required to split apart hydrogen iodide according to the equation:

HI(g) → H(g) + I(g)

Calculate the energy (kJ) required to break apart a mole of hydrogen iodide. Express answer in scientific notation.

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