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How old is a sample of wood with 75 percent of 14 Carbon how old is the sample t125730 years?
Rhunter961
t is equal to = (1/2)ln(A/A0))
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∙ 10y ago
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Carbon-14 has a half-life of 5730 years. how long does it take a 200-gram sample of carbon-14 decay to a mass of 100 grams?
5,730 years
How many years have past if only 12.5 of carbon 14 remain in an ancient sample?
This time is 17 190 years.
Which gas has increased in concentration by about 0.011 percent in the past 150 years?
Carbon Dioxide
How much carbon dioxide emission has increased over the past 250 years?
By 38 percent
How old is a piece of wood that has 0.7813 percent of the carbon-14 of a living organism?
40110 years
The half life of carbon 14 is 5730 years If a 1g sample of old carbon is one eighth as radioactive as 1g of a current sample then the age is about?
17,200 Years
Can carbon dating be used on bones a million years old?
No, there are no detectable levels of carbon-14 left in any sample older than roughly 40,000 years. Without carbon-14 in the sample, no date can be determined.
The carbon-14 in a wooden sample shows a ratio of 0.280 between the carbon-14 in the wood and present-day samples The half-life of carbon-14 is 5730 years How old is the wood?
10,500 years old The carbon-14 in a wooden sample shows a ratio of 0.0093 between the carbon-14 in the wood and present-day samples. The half-life of carbon-14 is 5,730 years. How old is the wood? 38,700 years old
How many years after dying does a sample lose one-half of it carbon - 14 atoms?
5730 years (approx).
When A carbon-14 sample starts with 100 atoms and 5730 years later there are 50 atoms. What is the half-life of carbon-14?
The half-life of carbon-14 is 5 730 years.
Carbon-14 has a half-life of 5730 years. How long does it take a 200-gram sample of carbon-14 to decay to a mass of 100 grams?
5,730 years
Carbon-14 has a half-life of 5730 years. how long does it take a 200-gram sample of carbon-14 decay to a mass of 100 grams?
5,730 years
How many years have past if only 12.5 of carbon 14 remain in an ancient sample?
This time is 17 190 years.
The carbon-14 in a wooden sample shows a ratio of 0.126 between the carbon-14 in the wood and present-day samples The half-life of carbon-14 is 5730 years How old is the wood?
17,100 years old
The carbon-14 in a wooden sample shows a ratio of 0.0093 between the carbon-14 in the wood and present-day samples The half-life of carbon-14 is 5730 years How old is the wood?
38, 700 years old
Carbon 14 has a half life of 5715 years it is used to determine the age of ancient objects if a sample today contains 0.060mg of carbon 14 how much carbon 14 must have been present in 430 years ago?
.06798mg
The daughter isotope is 87.5 percent if the half-life of the isotope is 150 million years how old is the sample?
a sample is brought to the laboratory and the chemist determines the percentage of the daughter isotope is 87.5%. if the half-life of the isotope is 150 million years, how old is the sample?
