Question

(A)This exercise uses the radioactive decay model. The burial cloth of an Egyptian mummy is estimated...

(A)This exercise uses the radioactive decay model.

The burial cloth of an Egyptian mummy is estimated to contain 58% of the carbon-14 it contained originally. How long ago was the mummy buried? (The half-life of carbon-14 is 5730 years. Round your answer to the nearest ten years.)
yr

(b)This exercise uses the radioactive decay model.

A wooden artifact from an ancient tomb contains 60% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your decay rate, r, to 6 decimal places. Then round your answer to the nearest whole number.)
yr

Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Carbon-14 is a radioactive isotope of carbon. It decays into Nitrogen-14 through beta decay, with a...
Carbon-14 is a radioactive isotope of carbon. It decays into Nitrogen-14 through beta decay, with a half-life of 5730 years. By comparing the amount of radioactive Carbon-14 with the amount of stable Carbon-12 (the most common isotope of carbon), we can determine the age of an object. a) How many protons and neutrons are in Carbon-14? Carbon-12? b) How many years will it take for an object to lose 87.5% of its Carbon-14? c) If 10000 years have passed, what...
15.58 The half-life for the radioactive decay of C−14 is 5730 years. How long will it...
15.58 The half-life for the radioactive decay of C−14 is 5730 years. How long will it take for 25% of the C−14 atoms in a sample of C−14 to decay? If a sample of C−14 initially contains 1.9 mmol of C−14, how many millimoles will be left after 2250 years?
The half-life for the radioactive decay of C−14 is 5730 years. Part A: How long will...
The half-life for the radioactive decay of C−14 is 5730 years. Part A: How long will it take for 25% of the C−14 atoms in a sample of C−14 to decay? Part B: If a sample of C−14 initially contains 1.9 mmol of C−14, how many millimoles will be left after 2255 years?
Carbon 14 is a radioactive isotope of carbon, the most common isotope of carbon being carbon...
Carbon 14 is a radioactive isotope of carbon, the most common isotope of carbon being carbon 12. Carbon 14 is created when cosmic ray bombardment changes nitrogen 14 to carbon 14 in the upper atmosphere. The resulting carbon 14 combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis. Animals acquire carbon 14 by eating plants. When an animal or plant dies, it ceases to take on carbon 14, and the amount of isotope...
Part A You are using a Geiger counter to measure the activity of a radioactive substance...
Part A You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400. counts has diminished to 100. counts after 78.4 minutes , what is the half-life of this substance? Express your answer with the appropriate units. Part B An unknown radioactive substance has a half-life of 3.20 hours . If 26.8 g of the substance is currently present, what mass A0 was present 8.00 hours...
please do this step by step and in detail please!!! extremely stuck on this problem and...
please do this step by step and in detail please!!! extremely stuck on this problem and i just don't get it help! 30. Radiocarbon Dating. Carbon 14 is a radioactive isotope of carbon, the most common isotope of carbon being carbon 12. Carbon 14 is created when cosmic ray bombardment changes nitrogen 14 to carbon 14 in the upper atmosphere. The resulting carbon 14 combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis....
All living things are radioactive due to the presence of 14 6 C which undergoes beta...
All living things are radioactive due to the presence of 14 6 C which undergoes beta decay, emitting an electron. The half-life of 14 6 C is 5730 y. In live specimens, the level of 14 6 C present is constant. After death, the decay of 14 6 C slowly reduces the amount of 14 6 C present. Each gram of a live specimen emits 15.3 electrons per minute. An animal bone found at an archaeological site emits 86 electrons...
The half-life of a radioactive isotope represents the average time it would take half of a...
The half-life of a radioactive isotope represents the average time it would take half of a collection of this type of nucleus to decay. For example, you start with a sample of 1000 Oxygen-15 (15O) nuclei, which has a half-life of 122 seconds. After 122 seconds, half of the 15O nuclei will have decayed into Nitrogen-15 (15N) nuclei. After another 122s, half of the remaining Oxygen nuclei will have also decayed, and so on. Suppose you start with 4.00×103 15O...
Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react with nitrogen to produce...
Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react with nitrogen to produce radioactive carbon-14. Radioactive carbon-14 enters all living tissue through carbon dioxide (via plants). As long as a plant or animal is alive, carbon-14 is maintained in the organism at a constant level. Once the organism dies, however, carbon-14 decays exponentially into carbon-12. By comparing the amount of carbon-14 to the amount of carbon-12, one can determine approximately how long ago the organism died. (Willard...
3. . A rectangular shipping container must have a volume of 84 cubic meters. The client...
3. . A rectangular shipping container must have a volume of 84 cubic meters. The client tells the manufacturer that, because of the contents, the length of the container must be one meter longer than the width, and the height must be one meter greater than twice the width. What should the dimensions of the container be? Embed your description of the dimensions in a sentence. In addition to showing the calculations that lead to your solution, write a synopsis...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT