How old is skull if amount of carbon tests on it
The amount of carbon-14 remaining in the sample which weighs D is given by X(t)=D(0999879)^t where t is time in years. If tests on the fossilized skull reveal that 99.97% of the carbon-14 has decayed, how old is skull.
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Explain how you could prove the test tubes which contain three different chemical. Three test tubes, labeled A, B, and C, contain substances with approximately the same melting points.
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Calculate the atomic radius of gold if it crystallizes in a face-centered lattice and which is having a density of 19.4g/cm^3
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If the Cu (NO3)2 solutions contains about 6gCu2+ per liter, determine the numbers of micrograms of Cu2+ion are there in one spot? In an experiment, it takes about 10microliters of solution to form a spot 1cm in diameter.
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