A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg...
A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg of this nuclide registers 20. counts per minute on a radioactivity counter, what is the half-life of this nuclide? Answer in mins please
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A radioactive nuclide of mass number 94 has been prepared by
neutron bombardment. If 4.7 µg...
A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg...
A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg of this nuclide registers 20. counts per minute on a radioactivity counter, what is the half-life of this nuclide? min The number of significant digits is set to 2; the tolerance is +/-4%
A radioactive nuclide X having a mass of 65.0 grams is sealed in a container having...
A
radioactive nuclide X having a mass of 65.0 grams is sealed in a
container having a mass of. 5.00 grams. The nuclide X decays into
the nuclide Y. The nuclide X has a half life of 6.00 hours.
19. What will the mass of nuclide Y be after 24 hours have
elapsed?
20. What will the mass of nuclide Y be after 24 hours have
elapsed?
21. What will the mass of the sealed container be after 24
hours...
An unknown radioactive substance has a half-life of 3.20 hours . If 23.9 g of the...
An unknown radioactive substance has a half-life of 3.20 hours . If 23.9 g of the substance is currently present, what mass Ao was present 8.00 hours ago? Express your answer with the appropriate units. ► View Available Hint(s) ? Å Value o O Units A0 = Phosgene (carbonyl chloride), COCl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. Phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: CO(g)...
Radioactive Carbon-11 has a half life of only 20.3 minutes and an atomic mass number of...
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.
Consider a pure sample of a radioactive isotope with a mass number of 46. If the...
Consider a pure sample of a radioactive isotope with a mass number of 46. If the sample has mass of 25.0 micrograms and the isotope has a half-life of 8.50x106 years, determine the decay rate for the sample. Give your answer in decays/secondand with 3 significant figures. Please show your work! I would like to understand the process. Thank you! Answer i think is in the range of 300-600 decay/sec It is not anything that is x10^...
Question 6. Please show your working for all questions. (a) If a radioactive nuclide decays for...
Question 6. Please show your working for all questions. (a) If a radioactive nuclide decays for an interval of time equal to 4 times its half-life, what fraction of the original activity remains ? (b) A researcher is doing an experiment with a cell culture to image the DNA. To do so, the researcher applies ethidium bromide (EtBr) to the culture. After preparation, 50% of the EtBr has bound to DNA and 50% is in free solution. Imaging is done...
please help with parts in case 1 and case 2! thanks you! Correct (100,0%) submit Find...
please help with parts in case 1 and case 2! thanks you!
Correct (100,0%) submit Find its decay constant in write the result in terms of 10 Keep 4 decimal places. 1.2327 Correct (100.046) Submit x10-7-1 Case 1: The mass of the initial radioactive sample is 6.20 kg. Some time after the initial sample was prepared, it was found that 0.447 kg radioactive materials has decayed. (h) What is the mass in kg) of the radioactive material that remains in...
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...
question. Correct answers for each question will be made available once the maximum number of attempts...
question. Correct answers for each question will be made available once the maximum number of attempts have been made for each submission. Nuclear Physics - Binding Energy 1 Nuclear Physics - Binding Energy Fod work The above figure shows a nuclear reaction in which an alpha particle separates into individual nucleons. An a particle is a He nucleus (2 protons, 4 nucleons). The relevant rest masses are: He = 4.002602 u, neutron = 1.008665 u, proton = 1.007825 u. (a)...
Problem 1 Concept: Elementary Particles 0 Not finished! Level: Basic Emission of which particle below will...
Problem 1 Concept: Elementary Particles 0 Not finished! Level: Basic Emission of which particle below will decrease the mass number by 1, but have no affect on the atomic number? a gamma photon a neutron a beta particle an alpha particle Problem 2 Concept: Nuclear reactions 0 Not finished! Level: Basic When 59Cu undergoes positron emission, what is the immediate nuclear product? 59Zn 58Cu 59Ni 58Ni Problem 3 Concept: Radioactivity 0 Not finished! Level: Basic Which of the nuclides is...
A
radioactive nuclide X having a mass of 65.0 grams is sealed in a
container having a mass of. 5.00 grams. The nuclide X decays into
the nuclide Y. The nuclide X has a half life of 6.00 hours.
19. What will the mass of nuclide Y be after 24 hours have
elapsed?
20. What will the mass of nuclide Y be after 24 hours have
elapsed?
21. What will the mass of the sealed container be after 24
hours...
An unknown radioactive substance has a half-life of 3.20 hours . If 23.9 g of the substance is currently present, what mass Ao was present 8.00 hours ago? Express your answer with the appropriate units. ► View Available Hint(s) ? Å Value o O Units A0 = Phosgene (carbonyl chloride), COCl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. Phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: CO(g)...
Question 6. Please show your working for all questions. (a) If a radioactive nuclide decays for an interval of time equal to 4 times its half-life, what fraction of the original activity remains ? (b) A researcher is doing an experiment with a cell culture to image the DNA. To do so, the researcher applies ethidium bromide (EtBr) to the culture. After preparation, 50% of the EtBr has bound to DNA and 50% is in free solution. Imaging is done...
please help with parts in case 1 and case 2! thanks you!
Correct (100,0%) submit Find its decay constant in write the result in terms of 10 Keep 4 decimal places. 1.2327 Correct (100.046) Submit x10-7-1 Case 1: The mass of the initial radioactive sample is 6.20 kg. Some time after the initial sample was prepared, it was found that 0.447 kg radioactive materials has decayed. (h) What is the mass in kg) of the radioactive material that remains in...
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...
question. Correct answers for each question will be made available once the maximum number of attempts have been made for each submission. Nuclear Physics - Binding Energy 1 Nuclear Physics - Binding Energy Fod work The above figure shows a nuclear reaction in which an alpha particle separates into individual nucleons. An a particle is a He nucleus (2 protons, 4 nucleons). The relevant rest masses are: He = 4.002602 u, neutron = 1.008665 u, proton = 1.007825 u. (a)...
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