The first-order rate constant for the decay of the
The first-order rate constant for the decay of the radioactive isotope carbon-14 is 1.2 x 10-4 year-1. What fraction of the carbon-14 initially in a sample is still present 1500 years later?
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the first-order rate constant for the decay of the radioactive isotope carbon-14 is 12 x 10-4 year-1 what fraction of
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an ideal heat engine absorbs 965 kj of heat and exhausts 798 kj of heat in each cyclewhat is the efficiency of the
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a 25 g glass tumbler contains 340 ml of water at 24degc if four 20 g ice cubes each at a temperature of -3degc are
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