Please answer iii Q3) This problem uses the semi-empirical mass formula to investigate the masses of isobars withA=100 and their decays.D Using the semi-empirical mass formula (SEMF) for atomic masses, predict the isobar of A=100with the lowest mass.100-II) The mass of Tc is 99.90765 u compared to 99.9042197 u for Ru.Which terms in the SEMF change between the two nuclei? Calculate the change in eachcontribution. Compare the overall difference in mass for the two nuclei predicted by the SEMFwith the experimental value for the difference in mass.10044R..III) List the possible decay modes for Tc and the energy released in each decay. Note, 22MO10043has a mass of 99.907477 u.M Is it possible for 109Mo to decay and if so, how?424

III) Teсhnetium-99 Definitiоn:Teсhnetium-99 is defined аs аn isоtорe оf teсhnetium with а…

Answered: 100 III) List the possible decay modes…

100 III) List the possible decay modes for Tc and the energy released in each decay. Note, 2Mo has a mass of 99.907477 u.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 114QRT

See similar textbooks

Related questions

Q: Predict a likely mode of decay for each unstable nuclide.a. Mo-109b. Ru-90c. P-27d. Sn-100

A: The likely mode of decay for each unstable nuclide are as follows.

Q: Which nuclide(s) would you predict to be stable? Why?(a) ¹²⁷I(b) tin-106(c) ⁶⁸As

A: Sn-106 nuclide has 56 neutrons and 50 protons, giving a neutron-to-proton ratio of 1.12, this ratio…

Q: Heavy nuclides with too few neutrons to be in the band of stability are most likely to decay by what…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: 1. You are provided with a sample of pure Osmium-186 (18Os), a radioactive nuclide. a) How many…

A: a) To calculate the number of neutrons in a single nucleus of Osmium-186 (186Os) atomic number of…

Q: 5. The following nuclei do not lie in the band of stability. How would they be expected to decay? a.…

A: Radioactive decay generally occurs to change the N/Z (neutron/ proton) ratio to achieve the greater…

Q: An artifact originally had 16 grams of carbon-14 presentThe decay model A = 16e ^ - 0.0001211…

A: Radioactive decay follows first order kinetics. Initial amount of C-14 present = 16 g Given decay…

Q: (b) What mass (in g) of 24Na produces 7.0 mci activity, given its half-life is 15.0 h? Additional…

Q: What is the binding energy per nucleon (in J) and per mole (in kJ) of a selenium-83 nucleus? The…

A: The binding energy per nucleon (in J) and per mole (in kJ) of a selenium-83 nucleus can be…

Q: Calculate the binding energy per nucleon for the boron-10 nucleus, whose mass is 10.012937 u. The…

Q: The nuclear masses of 7 Be, 9Be, and 10Be are 7.0147, 9.0100, and 10.0113 amu, respectively. Which…

A: Given: Nuclear mass of 7 Be = 7.0147 Nuclear mass of 9 Be = 9.0100 Nuclear mass of 10 Be = 10.0113…

Q: An ancient skull has a carbon-14 decay rate of 0.85 disintegration per minute per gram of carbon…

A: It's a nuclear decay reaction. Therefore, it will follow first order kinetics. And since it is…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 3.70 billion years old by…

A: Since this is a first order decay The rate constant with half life is given by…

Q: Calculate the binding energy per nucleon for the neon-20 nucleus, whose mass is 19.992440 u. The…

A: Given: Mass number of Ne=20 Mass of Ne=19.992440 u To find Binding energy of Ne

Q: A mammoth skeleton has a carbon-14 decay rate of 0.48disintegrations per minute per gram of carbon…

A: Radioactive disintegration follows first order reaction and decay rate equation can expressed as,…

Q: The isotope N-14 has an atomic mass of 14.003074 amu. What is the mass defect for the formation of…

A: We have Mass defect (∆m)= mtheoretical - mC13 Mass of electron = 0.00054858 amu, Mass of proton =…

Q: You have a sample 100.0 g sample of lodine-135. a) Determine the half-life of a radionuclide if…

Q: Determine the binding energy for the nuclide 2/4 He in:(a) joules per mole of nuclei(b) joules per…

A: The helium nucleus is the considered nuclide.

Q: An ancient wood sample is known to be 2500 years old. a. Knowing that the half-life of carbon is…

Q: Compute the binding energy of 7Li nucleus, whose experimentally determined mass is 7.016004

Q: Calculate the binding energy per nucleon for {H and H. The atomic masses are 2.01410 amu and 3.01605…

Q: The mass defect of nuclei (141X ) is 1.29 amu. Estimate the total binding energy per nucleon in…

Q: a. Write the equation for the decay of ²5}Am by a- particle production. b. The complete decay of…

Q: I17 Consider the nuclei "50Sn Determine its mass defect in kilograms if its atomic mass is…

A: Nuclei = 11750Sn Atomic mass = 116.902 amu Mass of a proton = 1.0073 amu Mass of a neutron =…

Q: Calculate to five significant figures the binding energy in J/nucleon of the nucleus of an atom of…

Q: d. 5U + jn → ? + ? + 4 ¿n 235 92 30 Balanced equation: OA. a-decay OB. B-decay OC. Fission OD.…

Q: e. I → I + ? 125 53 125 Balanced equation: OA. a-decay ов в-decay OC. Fission OD. Fusion OE Other

A: here given a rection and we have to identify the correct process for the given reaction given…

Q: Current Attempt in Progress What is the mass defect for americium-241 if the mass of the nucleus is…

Q: d) the alpha emission resulting in the formation of Protactinium-233 e) the loss ofa positron by…

Q: What is the binding energy per nucleon in 19/9 F (atomic mass, 18.9984 amu)?

A: Given information: Atomic mass of fluorine = 18.9984 amu First the theoretical mass of fluorine is…

Q: What is mass defect and binding energy for C14 nucleus

A: The mass defect and binding energy can be calculated as

Q: The mass percent of carbon in a typical human is 18%, and the mass percent of 14C in natural carbon…

A: Given that: Mass % of carbon in humans = 18 % Mass % of 14C in natural carbon = 1.6 ×10-10 mas of…

Q: Q2(B). Prove that it would take 17.6 years if an old sample of 10 g Co-60 with a half-life of 5.3…

A: We know nuclear decay is first order reaction. So we need to use first order rate equation. We also…

Q: Write a balanced nuclear equation to represent the image above that depicts nuclear fission. Assume…

A: Given : U-235 and Kr-92 and Ba-141. To find : Nuclear fission of U-235. To find : As we know that,…

Q: Lead-206 is the end product of 258U decay. One 20°PB atom has a mass of 205.974440 amu. Calculate…

A: Binding energy is the energy required to seperate nucleus into individual protons and neutrons.

Q: The isotopic mass of 21086Rn is 209.989669 amu. When thisnuclide decays by electron capture, it…

A: The nuclear reaction of electron capture can be written as Rn86210 + e-10 → At85210 Energy released…

Q: The actual mass of a neon-21 nucleus is 20.993845 amu. Given that the mass of proton is 1.007276 amu…

Q: 2. The disintegration energy of the decay30 P15 by position emission is 4.30 Mev. The daughter…

Q: The nuclei below are unstable. For each nuclei, indicate whether the nucleus would become more…

A: there are radioactive isotopes , which constantly emit radiation.

Q: The isotope shown has a mass of 14.003241 amu. Calculate how much energy is released from the…

A: In the given figure, there are 6 protons and 8 neutrons in the given atom So the combined mass can…

Q: Complete these nuclear reactions with the particle that is emitted. {H – H+ Answer Bank Cu 30 Zn + n…

Q: An ancient skull has a carbon-14 decay rate of 0.85 disintegrations per minute per gram of carbon…

A: An ancient skull has a carbon-14 decay rate of 0.85 disintegrations per minute per gram of carbon…

Q: mass of chlorine-37 is 36.96590 amu. Calculate the binding energy per nucleon of rine-37.

Q: Q3 Radium-224 decays through the pathway a, a, a, ß, a, ß. What intermediates are formed in this…

A: Radioactive decay is the process of breakdown of radioactive nuclei to smaller nucleii till it is…

Q: the half life of molybdenum -99 is 67 hr. a 200 ug quantity decays, over time, to 25 ug. how much…

A: Here given, Initial amount (N0) = 200 ug Amount left undisintegrated (N) = 25 ug Half life (t1/2) =…

Q: How many alpha particles are emitted per minute by a 0.0010-g sample of 238U that has been freshly…

A: Given, Mass of sample = .001 g Half life of uranium = 4.47 x 109 years = 4.47 x 109 x 3.156 x 107…

Q: Plutonium was detected in trace amounts in natural uranium deposits by Glenn Seaborg and his…

A: The age of the substance is calculated by using the following formula, t=1λlnntn0 Here n0 is the…

Concept explainers

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.

Question

Please answer iii

Q3) This problem uses the semi-empirical mass formula to investigate the masses of isobars with
A=100 and their decays.
D Using the semi-empirical mass formula (SEMF) for atomic masses, predict the isobar of A=100
with the lowest mass.
100-
II) The mass of Tc is 99.90765 u compared to 99.9042197 u for Ru.
Which terms in the SEMF change between the two nuclei? Calculate the change in each
contribution. Compare the overall difference in mass for the two nuclei predicted by the SEMF
with the experimental value for the difference in mass.
100
44R..
III) List the possible decay modes for Tc and the energy released in each decay. Note, 22MO
100
43
has a mass of 99.907477 u.
M Is it possible for 109Mo to decay and if so, how?
424

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 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

Bromine has two occuring isotopes: 79Br with atomic mass 78.9183 and 81Br with atomic mass 80.9163. Without using a calculator, what would you estimate the % abundance of Br-79 to be?
2-17 How does Dalton’s atomic theory explain: (a) the law of conservation of mass? (b) the law of constant composition?
I3 write a hypothesis for how you think that decay constant is related to the concentration of the isotope.
Predict which one is the most stable nucleus amongst _8 O^16, _8 O^17 and _8 O^18. ( In this case you have to differentiate w.r to A. See A is the variable in the isotope family. Then find the value of A and see which value is this A close to)
Now that you have the contribution from the X-19 isotope (2.715) and from the X-21 isotope (18.00), what is the average atomic mass (in amu) of this element using four significant figures?
The cobaltisotope(t1 / 2 = 5.28yr) C^60is produced at a rate of 10 ^ 12atom / sec for a period of 2yr. Find the number and mass of atoms of this isotope.
Given that natural sample of iron has isotopes 28Fe54, 28Fe58 and 28Fe57 in the ratio of 5%, 90% and 5% respectively. What will be the average atomic mass of iron (Fe)?
In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its velocity?
Below is a representation of 50 atoms of a fictitious element called westmontium (Wt)(Wt). The red spheres represent WtWt-296, the blue spheres WtWt-297, and the green spheres WtWt-298. A)Assuming that the sample is statistically representative of a naturally occurring sample, calculate the percent natural abundance of WtWt-296 isotope. Natural abundance of WtWt-296? B)Assuming that the sample is statistically representative of a naturally occurring sample, calculate the percent natural abundance of WtWt-297 isotope. Natural abundance of WtWt-297? C)Assuming that the sample is statistically representative of a naturally occurring sample, calculate the percent natural abundance of WtWt-298 isotope. Natural abundance of WtWt-298?
The natural abundance of 3He is 0.000137%. (a) How manyprotons, neutrons, and electrons are in an atom of 3He?(b) Based on the sum of the masses of their subatomic particles,which is expected to be more massive, an atom of 3He oran atom of 3H (which is also called tritium)? (c) Based on youranswer to part (b), what would need to be the precision of amass spectrometer that is able to differentiate between peaksthat are due to 3He+ and 3H+?
1. The three nuclei 14C, 15N, and 16O have the same number of what types of particles
The table to the right gives the number of protons (p)and neutrons (n) for four isotopes. (a) Write the symbolfor each of the isotopes. (b) Which of the isotopesis most likely to be unstable? (c) Which of the isotopesinvolves a magic number of protons and/or neutrons?(d) Which isotope will yield potassium-39 following positronemission?