CHemistry

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Given that the half life of c 14 is 5,700 ,use the method c 14 dating to determine the age of a fossil if it has 25% of c 14 compared to living specimen.

  • CHemistry -

    k = 0.693/t1/2
    Calculate k and substitute into the following:
    ln(No/N) = kt.
    Use No = 100
    N = 25
    k from above.
    Solve for t. I estimated about 11,000 years but you need to calculate it more accurately and remember the number of significant figures.

  • CHemistry -

    I don't really now this, but I suggest looking on google because they have many many answers and if you find out what this is then let me know!

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