Answered: If a tree dies and the trunk remains…

If a tree dies and the trunk remains undisturbed for 1.375 x 104 years, what percentage of the original ¹4C is still present? (The half-life of ¹4C is 5730 years.) %

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Krypton-81m is used for lung ventilation studies. Its half-life is 13 ss. How long does it take the…

A: The objective of this question is to find out the time it takes for the activity of Krypton-81m to…

Q: In addition to C-14, K-40 is often used for archeological dating. K-40 decays to Ar- 40 by positron…

A: The rate of radioactive decay has been proven to be of first order kinetics. Using the understanding…

Q: Co-60 is used extensively in radiotherapy as a source of y-rays. Its half life is 5.27years. a) How…

A: half life = 5.27 years

Q: 7) The half life of silicon is 710 years. 40 grams are present now, how much will be present in 200…

Q: Beginning with 1.00 g of a sample of an unknown radioactive isotope, 0.05674 g of the isotope will…

A: The answer to the following question is-

Q: A 1.50 x 10-6 M solution of Khal Drogo’s potion was prepared by Daenerys in 1948 to make him…

Q: 137 Cs has a half-life of 30.2 years. How many years will it take for a 100.0-g sample to decay to…

Q: If a tree dies and the trunk remains undisturbed for 1.770 × 10⁴ years, what percentage of the…

A: The objective of this question is to find out the percentage of the original 14C (Carbon-14) that is…

Q: The half-life of Uranium-238 is approximately 4.5(10°) years. How much of a 10 kilogram block of U-…

A: Given data :- Half life = 4.5 x 109 years mass of uranium = 10 kg

Q: If a tree dies and the trunk remains undisturbed for 1.160 × 10⁴ years, what percentage of the…

Q: What is the half-life of an element that begins with 100g, and 18.8g remains after 113 minutes.

A: Half life of radioactive element-is the time needed for given number of its nuclei to decay exactly…

Q: Strontium-90 is present in the fallout produced by nuclear weapons testing in the atmosphere. Sr-90…

Q: Potassium ion is present in foods and is an essential nutrient in the human body. One of the…

A: Solution -

Q: 222Rn has a half-life of 3.82 days. If a sample contains 36.2 mg of 222Rn, what mass of the isotope…

A: We have to calculate the amount after 6.81 days.

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years. What is the…

Q: A radioactive isotope decays from 60 grams to 15 grams in 20 seconds. What is its half-life?

A: Given is the radioactive isotope.We know any radioactive decay follows first order reaction…

Q: The half-life of 129I is 1.72 x 107 years. Consider a sample that contains 2.39 x 106 atoms of this…

Q: Tritium, H, is more commonly known as fusion fuel but is itself relatively unstable, with a…

A: Unstable nuclei undergo radioactive decay process by the emission of highly energetic particles ,…

Q: If the half-life of a radioactive element is 30.0 years, how long will it take to decay to the point…

A: For the first order reaction we have the formula as : k*t = ln(A/At) Where A is the initial…

Q: The half-life of Uranium is 235 (U235) decaying to lead 207 (Pb 207) is 704 million years suppose an…

Q: Iodine-125 has a half-life of 60.4 days and is used in radiation therapy to treat prostate cancer…

A: Since the decay reactions are first order reactions Hence we can say 1) Half life = ln(2) / K 2)…

Q: Ca-60 is used extensively in radiotherapy and its half-life is 5.27 years. How many years will it…

A: Given: half life, t12=5.27 years[A]=0.2[A]o To calculate: Years taken to decrease to 20% of its…

Q: A piece of fossilized wood has a carbon-14 radioactivity that is 1/4 that of new wood. The half-life…

Q: The radioactive isotope carbon-14 is used for radiocarbon dating. The half-life of carbon-14 is…

A: Let is consider first order decay kinetics Nt = Noexp(-kt) Where, Nt = activity after time t No =…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 3.80 billion years old by…

Q: How long will it take a radioactive sample of iodine-131 (half-life 8.07 dd) to lose 98.4 %% of its…

A: The objective of this question is to determine the time it will take for a radioactive sample of…

Q: Platinum-190 (189.959 949 9 u) undergoes alpha decay to osmium-186 (185.953 837 7 u) with a…

A: Given, Platinum-190 (189.959 949 9 u) undergoes alpha decay to osmium-186 (185.953 837 7 u) with a…

Q: carbon as a piece of modern charcoal. How long ago was the tree burned to make the ancient charcoal?…

Q: The radioactive nuclide 55Co has a half-life of 17.5 hours. What mass of 55Co remains from a 0.0100…

Q: Before the use of technetium-99m, patients with high risk coronary artery disease were evaluated…

Q: If a tree dies and the trunk remains undisturbed for 1.305 × 104 years, what percentage of the…

Q: One of the radioactive isotopes used in chemical and medical research is iodine-125, which has a…

Q: The half-life of silicon-32 is 710 years. If 20 grams is present now, how much will be present…

A: Radioactive decay is always a first order reaction. The rate equation for the radioactive decay is :…

Q: If a tree dies and the trunk remains undisturbed for 1.775 × 10⁴ years, what percentage of the…

A: Given-> Half life = 5730 year Time = 1.775 × 104 year.

Q: You are working in a facility with a linear accelerator which may be used to measure the level of C…

A: Radioactive decay is a process in which unstable atomic nuclei emit energy in the form of…

Q: Phosphorus-32 is a radioactive isotope with a half-life of 14.3 d (d = days). A biochemist has a…

A: Radioactive decomposition follows first order kinetics. Integrated rate law for first order is

Q: A rock contains 0.313 mg Pb-206 for every 1.000 mg of U-238. Assuming that the rock contained no…

A: This question involves the radioactive decay of the uranium 238 isotope. This forms a lead 206…

Q: If a tree dies and the trunk remains undisturbed for 1.195 × 10⁴ years, what percentage of the…

A: Carbon dating is a technique to estimate the age of the tree or rock

Q: If a tree dies and the trunk remains undisturbed for 1.690 × 10⁴ years, what percentage of the…

A: If a tree dies and the trunk remains undisturbed for 1.690 × 10⁴ years, what percentage of the…

Q: An element X has a half-life of 5250 years. It’s originally found in a fossil and weighs 12g. How…

Q: Iodine-125 has a half-life of 60.4 days and is used in radiation therapy to treat prostate cancer…

A: Since Iodine will decay as it is radioactive. And since decay reactions are first order reactions…

Question

<
1
st
8:36
4
If a tree dies and the trunk
remains undisturbed for 1.375 x
104 years, what percentage of
the original ¹4C is still present?
(The half-life of ¹4C is 5730
years.)
2
LO
5
Question 15 of 25
> 7 8
+/-
%
3
6
9
O
Tap here or pull up for additional resources
44
Submit
X
с
x 100

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Given

VIEW

Step 2: To determine % carbon still present

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

5. A tree falls in a forest. How many years must pass before the carbon-14 mass in the tree's carbon drops to 3.125% of its value in living tree? The half-life of carbon-14 is T = 5570 years. %3|
Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years. What is the age of a rock sample that contains 106.4 µg 87Rb and 5.1 µg 87Sr ? years old Assume that no 87Sr was present when the rock was formed. The atomic masses are given in the table below: Nuclide Atomic Mass 87Rb 86.90919 87Sr 86.90888 Submit
A moon rock collected by a U.S. Apollo mission is estimated to be 4.00 billion years old by uranium/lead dating. Assuming that the rock did not contain any lead when it was formed, what is the current mass of Pb206 in the rock, if it currently contains 1.430 g of U238? The half-life of U238 is 4.47×109 years.
Stonehenge is an ancient megalithic site in southern England. Some believe it was designed to make astronomical observations, but archaeologists cannot agree on the reason that Stonehenge was constructed. Charcoal samples taken from a series of holes at Stonehenge have about 0.33 pounds of carbon-14 in a 06 pound sample. Estimate the age of the charcoal pits at Stonehenge Assume that the half-life of carbon-14 is 8333 years.
26) Iodine-131 is one of the many radioactive isotopes resulting from nuclear bomb explosions. If a sample initially has 2.50 mg, how much will remain after 12.0 days? The half-life of iodine-131 is 8.02 days. (SHOW CALCULATIONS)
1) Co-60 is used extensively in radiotheraphy as a source of y- rays. Its half life is 5.27 years. a) How many years will it take to decrease to 35 % of its original activity. b) If a cobalt source is ten years old, what percent of its original activity remaining?
If a tree dies and the trunk remains undisturbed for 1.015 x 104 years, what percentage of the original 14C is still present? (The half-life of 1"C is 5730 years.)
If a tree dies and the trunk remains undisturbed for 1.635 × 10⁴ years, what percentage of the original ¹⁴C is still present? (The half-life of ¹⁴C is 5730 years.)
Americium-241 is widely used in smoke detectors. The radiation released by this element ionizes particles that are then detected by a charged-particle collector. The half-life of 241Am is 432 years, and 241 Am? it decays by emitting alpha particles. How many alpha particles are emitted each second by a 4.74-g sample of particles
A radioactive sample has a decay constant of 1.32 x 10-3 h-1. What is its half life?
lodine-125 is a radioactive isotope commonly used in medicine. It has a half-life of 59.5 days. A sample contained 2.00 kg lodine-125 when it was made. How old is the sample when it contains 0.0625 kg Iodine- 125 (in days)?
Ca-60 is used extensively in radiotherapy, its half-life is 5.27 years. How many years will it take to decrease to 30.0% of its original activity?