![10. 1-/5 Points] DETAILS 231 The hall-life of isotope 91 Pa is 32.76 years. Calculate the activity of 4e06 g of this isotope](http://img.homeworklib.com/questions/38472150-9669-11eb-80c7-09a1ba088766.png?x-oss-process=image/resize,w_560)
Homework Answers
Add Answer to:
10. 1-/5 Points] DETAILS 231 The hall-life of isotope 91 Pa is 32.76 years. Calculate the...
change the answer 10. (0/5 points) DETAILS PREVIOUS ANSWERS The half-life of isotope 228 Th is...
change the answer 10. (0/5 points) DETAILS PREVIOUS ANSWERS The half-life of isotope 228 Th is 1.913 years. Calculate the activity of 7e-069 of this isotope in B and C: 90 A= 362 XBq and A ci. Find the activity of this sample after 8 years: C. Submit Answer View Previous Question Question 10 of 11 View Next Question Home My Assignments Request Extension
Part A: Tritium is a radioactive isotope of the element hydrogen. Tritium has a half-life of...
Part A: Tritium is a radioactive isotope of the element hydrogen. Tritium has a half-life of 12.5 years. How many years would it take until only 3.22% of a sample remain? Answer should be in years. Part B: Radioactive Carbon-11 has a half life of only 20.3 minutes and an atomic mass number of 11 u. Calculate the activity of 3.58 g of Carbon-11. Answer should be in Bq.
(-/1 Points) DETAILS LARCOLALG10 5.5.022.MI. Find the missing value for the radioactive isotope. (Round your answer...
(-/1 Points) DETAILS LARCOLALG10 5.5.022.MI. Find the missing value for the radioactive isotope. (Round your answer to two decimal place Isotope Half-life Initial (years) Quantity Amount After 1000 Years 14c 5715 22.5 g 9 Need Help? Read It Watch It Master it
The half life for the decay of carbon-14 is 5.73 x 10 years. Suppose the activity...
The half life for the decay of carbon-14 is 5.73 x 10 years. Suppose the activity due to the radioactive decay of the carbon-14 in a tiny sample of an artifact made of wood from an archeological dig is measured to be 19. Bq. The activity in a similar-sized sample of fresh wood is measured to be 20. Bq. Calculate the age of the artifact. Round your answer to 2 significant digits. years X 5 ?
The Strontium-90 isotope has a half-life of 28.1 years. Supposed we used a .10 Curie sample...
The Strontium-90 isotope has a half-life of 28.1 years. Supposed we used a .10 Curie sample of Sr-90. That is, we used enough Sr-90 to have an activity of .10 Ci (1 Ci=3.7x1010 disintegrations/second) Calculate the activity of this sample when used by students 281 years from now.
5-If a sample of an Isotope with t1/2 = 1 hr. And an activity of 200...
5-If a sample of an Isotope with t1/2 = 1 hr. And an activity of 200 mCi at 2:00 PM; what is the activity of this isotope at 10:00 Am of that day? Note: In question # 5 I gave you two different times: 2:00 pm and 10 am. of the same day. you are only required to find the absolute value of the difference between these two different time, which is going to be 4 hours. do not add...
7. anium-238 is an alpha-emitter with a half-life of 4.522 x 10 years and an isotope...
7. anium-238 is an alpha-emitter with a half-life of 4.522 x 10 years and an isotope mass of 238.0508 g/mol. This isotope is useful for dating geological samples. A rock from the ocean floor contains 0.4203 g Uranium-238. What is the activity of this rock (from 238U) in counts per minute? Show all of your work. 8. Scientists exploring the new element Covidium (Cv) discover it has various isotopes. Calculate the binding energy per nucleon in units of kJ for...
9. [-14 Points] DETAILS SPRECALC7 4.6.017. This exercise uses the radioactive decay model. The half-life of...
9. [-14 Points] DETAILS SPRECALC7 4.6.017. This exercise uses the radioactive decay model. The half-life of radium-226 is 1600 years. Suppose we have a 28-mg sample. (a) Find a function m(t) = moz-th that models the mass remaining after t years. m(t) = (b) Find a function m(t) = moet that models the mass remaining after t years. (Round your value to six decimal places.) m(L) = (c) How much of the sample will remain after 2500 years? (Round your...
Radioactive Decay - Half-life and Activity 1 Radioactive decay - Half-life Time 0 1000 21 31...
Radioactive Decay - Half-life and Activity 1 Radioactive decay - Half-life Time 0 1000 21 31 750 N 1.000.000 500,000 250,000 125,000 62,500 31.250 15.625 7813 3.506 1.953 977 51 6 500 7 BI . 101 250 125 0 tie 21.234.41516171819, 1012 Time in multiples of A radioactive sample's half-life is 30.2 years. 1 year = 365 days, 1 day = 24 hours, 1 hour - 60 minutes, 1 minute = 60 seconds (a) Find its decay constant in year...
please help with b-d! *10-19-1 A radioactive sample's half-life is 30.2 years 1 year - 365...
please help with b-d!
*10-19-1 A radioactive sample's half-life is 30.2 years 1 year - 365 days, 1 day - 24 hours, 1 hour 60 minutes, 1 minute - 60 seconds (a) Find its decay constant in year 1. Keep 4 decimal places. 0.6229 Correct (100,0%) Submit Find its decay constant in sl. Write the result in terms of 10 10,9 Keep 4 decimal places. 7.2764 Correct (100.0 Submit Case 1: The Initial sample is 3.30 kg. (b) What is...
change the answer 10. (0/5 points) DETAILS PREVIOUS ANSWERS The half-life of isotope 228 Th is 1.913 years. Calculate the activity of 7e-069 of this isotope in B and C: 90 A= 362 XBq and A ci. Find the activity of this sample after 8 years: C. Submit Answer View Previous Question Question 10 of 11 View Next Question Home My Assignments Request Extension
(-/1 Points) DETAILS LARCOLALG10 5.5.022.MI. Find the missing value for the radioactive isotope. (Round your answer to two decimal place Isotope Half-life Initial (years) Quantity Amount After 1000 Years 14c 5715 22.5 g 9 Need Help? Read It Watch It Master it
The half life for the decay of carbon-14 is 5.73 x 10 years. Suppose the activity due to the radioactive decay of the carbon-14 in a tiny sample of an artifact made of wood from an archeological dig is measured to be 19. Bq. The activity in a similar-sized sample of fresh wood is measured to be 20. Bq. Calculate the age of the artifact. Round your answer to 2 significant digits. years X 5 ?
7. anium-238 is an alpha-emitter with a half-life of 4.522 x 10 years and an isotope mass of 238.0508 g/mol. This isotope is useful for dating geological samples. A rock from the ocean floor contains 0.4203 g Uranium-238. What is the activity of this rock (from 238U) in counts per minute? Show all of your work. 8. Scientists exploring the new element Covidium (Cv) discover it has various isotopes. Calculate the binding energy per nucleon in units of kJ for...
9. [-14 Points] DETAILS SPRECALC7 4.6.017. This exercise uses the radioactive decay model. The half-life of radium-226 is 1600 years. Suppose we have a 28-mg sample. (a) Find a function m(t) = moz-th that models the mass remaining after t years. m(t) = (b) Find a function m(t) = moet that models the mass remaining after t years. (Round your value to six decimal places.) m(L) = (c) How much of the sample will remain after 2500 years? (Round your...
Radioactive Decay - Half-life and Activity 1 Radioactive decay - Half-life Time 0 1000 21 31 750 N 1.000.000 500,000 250,000 125,000 62,500 31.250 15.625 7813 3.506 1.953 977 51 6 500 7 BI . 101 250 125 0 tie 21.234.41516171819, 1012 Time in multiples of A radioactive sample's half-life is 30.2 years. 1 year = 365 days, 1 day = 24 hours, 1 hour - 60 minutes, 1 minute = 60 seconds (a) Find its decay constant in year...
please help with b-d!
*10-19-1 A radioactive sample's half-life is 30.2 years 1 year - 365 days, 1 day - 24 hours, 1 hour 60 minutes, 1 minute - 60 seconds (a) Find its decay constant in year 1. Keep 4 decimal places. 0.6229 Correct (100,0%) Submit Find its decay constant in sl. Write the result in terms of 10 10,9 Keep 4 decimal places. 7.2764 Correct (100.0 Submit Case 1: The Initial sample is 3.30 kg. (b) What is...
Most questions answered within 3 hours.
-
An electron of kinetic energy 13.0 keV moves in a circular orbit
perpendicular to a magnetic...
asked 1 minute ago -
Discuss the benefits and detriments of hard water, and your
opinion on using water softeners.
asked 3 minutes ago -
1. Explain how a fractionating column increases the separation
of two liquids.
2. What is an...
asked 2 minutes ago -
One of two hydrogen atoms has electrons at n = 1 Bohr orbit
while the other...
asked 4 minutes ago -
On January 1, Year 1, Sheffield Co. issued bonds with a face
value of $200,000, a...
asked 15 minutes ago -
Write a short application that computes the perimeter of a
rectangle. It should allow the user...
asked 15 minutes ago -
An inventory of Product A has to be maintained at NiceCare using
the EOQ model, based...
asked 23 minutes ago -
Define the 2
24.Moral Imperialism
25.Selective Service Act
26.Tulsa Riot
27.Red Scare
28.League of Nations
29....
asked 32 minutes ago -
A laser beam is incident at an angle of 30.6° to the vertical
onto a solution...
asked 38 minutes ago -
NO VECTORS PLEASE
Start a simple Matrix template class
In this lab, you’ll be writing a...
asked 41 minutes ago -
5. Why might the two alleles, taster and non-taster, persist in
human populations over many generations?...
asked 32 minutes ago -
1- What is the energy of a photon with a frequency of 7.01 ×
10¹⁴ s⁻¹?...
asked 57 minutes ago