Carbon dating formula derivation
A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane.
They are also commonly known by the Du Pont brand name Freon.
The decreased volatility is attributed to the molecular polarity induced by the halides, which induces intermolecular interactions.
Thus, methane boils at −161 °C whereas the fluoromethanes boil between −51.7 (CF).
The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century.
No other scientific method has managed to revolutionize man’s understanding not only of his present but also of events that already happened thousands of years ago.
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Because the fluorine and chlorine atoms differ greatly in size and effective charge from hydrogen and from each other, the methane-derived CFCs deviate from perfect tetrahedral symmetry.
The accompanying table shows the reduction of a quantity as a function of the number of half-lives elapsed.
Simulation of many identical atoms undergoing radioactive decay, starting with either 4 atoms per box (left) or 400 (right).
The physical properties of CFCs and HCFCs are tunable by changes in the number and identity of the halogen atoms.
In general they are volatile, but less so than their parent alkanes.
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Archaeology and other human sciences use radiocarbon dating to prove or disprove theories.