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A 25g sample of Carbon-14 decays until 3.125g of the radioactive isotope remains. How old is the sample in years?
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Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
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A 25g sample of Carbon-14 decays until 3.125g of the radioactive isotope
remains. How old is the sa...
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