a piece of charcoal containing

  1. a piece of charcoal containing 25.0g of carbon is found in some remains of ancient city. The sample shows carbon 14 activity R
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    2. Harrison asked by Harrison
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  2. A 25.0 gram piece of charcoal is found in some ruins of an ancient city. The sample shows a 14C activity, R, of 250 decays/min.
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    2. Kristina asked by Kristina
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  3. What other natural resource is mixed with these pigments to make paint?(1 point) Responses oils oils graphite graphite charcoal
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    2. Trust Me I'm A !NERD! asked by Trust Me I'm A !NERD!
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  4. Use the following information to answer the next question.Consider the following reaction: Charcoal(s) + O2 à CO2 DH = –23.82
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  5. Charcoal from an ancient campfire has a ratio of 14C to 12C that is one- fourth that of new wood. About how old is the charcoal?
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    2. Terrance asked by Terrance
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  6. Charcoal is primarily carbon.Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce
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    2. Lynn asked by Lynn
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  7. Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of charcoal) to produce
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    2. Bri asked by Bri
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  8. _______ is the addictive chemical found in tobacco.(1 point) Responses Tar Tar Nicotine Nicotine Charcoal Charcoal All of the
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    2. u don't know me asked by u don't know me
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  9. A sample of charcoal is found to have only 1/8th of Carbon-14. Half-life of Carbon-14 is 5730yrs, what is the age of the
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    2. Anonymous asked by Anonymous
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  10. 1 of 101 of 10 ItemsFeature A charcoal drawing shows a Native American with a full headdress. Question Which of the following
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    2. optimus asked by optimus
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