The isotope Carbon-14 follows the decay rule C'(t)=kC(t) where C(t) is in grams, t is in years, and k<0 is negative rate constant in units of "per year". A. The half-life of the isotope is 5730 years. Determine k. B. Given that C(0)=107 grams at the outset, what is the exact solution (formula) for C(t) over time? C. What is the rate of change of C at that point (2000,136.287)?

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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.