(c) What is the energy released (in both MeV and J) when a single radium-224 atom undergoes alpha decay? (d) What is the velocity of the alpha particle produced by radium-224 decay? (e) What is the energy released if a 0.200kg sample of radium-224 undergoes alpha decay, in J?

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.