An old wooden tool, containing 120.0 grams of carbon, is found in an ancient tomb. The tool emits 812 electrons/minute from the beta decay of 14 C. How old is the wood from which the tool was constructed? Given: The half-life of "C is 5730 years, the ratio of 4C to 12C in living plants is 1.30 x 1012, 1 year = 3.15576 x 10' s, N, = 6.0221415 x 102 atoms/gram-mole.
An old wooden tool, containing 120.0 grams of carbon, is found in an ancient tomb. The tool emits 812 electrons/minute from the beta decay of 14 C. How old is the wood from which the tool was constructed? Given: The half-life of "C is 5730 years, the ratio of 4C to 12C in living plants is 1.30 x 1012, 1 year = 3.15576 x 10' s, N, = 6.0221415 x 102 atoms/gram-mole.
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An old wooden tool, containing 120.0 grams of carbon, is found in an ancient tomb. The tool emits 812
electrons/minute from the beta decay of 14 6 C. How old is the wood from which the tool was constructed?
Given: The half-life of 14 6 C is 5730 years, the ratio of 146C to 126C in living plants is 1.30 x 10-12, 1 year =
3.15576 x 107 s, NA = 6.0221415 x 1023 atoms/gram-mole.
Transcribed Image Text:An old wooden tool, containing 120.0 grams of carbon, is found in an ancient tomb. The tool emits 812
electrons/minute from the beta decay of 14 C. How old is the wood from which the tool was constructed?
Given: The half-life of 14C is 5730 years, the ratio of 14C to 12C in living plants is 1.30 x 1012, 1 year =
3.15576 x 10' s, N, = 6.0221415 x 102 atoms/gram-mole.
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