rbon decays at a rate proportional to the amount present.

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: 1. A substance has a mass of 5 grams after decaying for 100 minutes. What was the mass of the…

A: Given that: Mass of substance left after decaying = 5 g Total time for decaying of substance = 100…

Q: What type of decay is this? What type of decay is this? 7534Se + °1e --> 753:

A: Radioactive decay - It refers to the disintegration of the unstable nucleus to form a more stable…

Q: Barium-142 is an beta emitter with a half-life of 11.0 min. If we start with 2.500 g of 142Ba, what…

A: The number of half-lives (n) can be calculated as

Q: Predict a likely mode of decay for unstable nuclide.  Mo-109

A: Emission of energy and subatomic particles is termed as radioactivity.

Q: Predict the mode of decay 65Ni undergoes. a. alpha b. beta c. positron d. it is stable/ doesn't…

A: Investigation of decay modes and stability effects on Spectral Statistics of different nuclei…

Q: An old piece of wood has a carbon-14 content of 0.0156 times that 14 is the age of the old wood if…

A: We will use first order kinetics formula

Q: At the end of two half-lives, what fraction of the atoms had not decayed?

A: Answer is given below.

Q: The binding energy per nucleon:

A: Binding energy can be defined as the energy required to hold nucleons together.

Q: Determine whether or not each nuclide is likely to be stable. Stateyour reasons.a. Ti-48b. Cr-63c.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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: How do the modes of decay differ for a neutron-rich nuclide and a proton-rich nuclide?

A: The nuclides are species of atom having particular number of protons and neutrons, which contain a…

Q: Give examples of common radioisotopes used in medicine.

A: The examples of common radioisotopes used in medicine has to be given.

Q: cosmogenic radionuclides

A: In this question we have to tell about cosmogenic radionuclides and their corresponding energy.

Q: -33. The number of radioactive nuclides in a sample decays from 1.00 × 1020 to 2.50 × 10º in 10.0…

A:

Q: 31. Uranlum 235 decays to Lead 207 with a half-life of 0.7 billion years. What Is age of a rock…

A:

Q: Carbon-14 has a half life of 5730 years. In a plant fossil, you find that the 14C has decayed to…

A: Given that, half life , t12= of 5730 years. and  14C has decayed to 1/8.00 of the original amount

Q: Calculate the binding energy per nucleon for the following nuclei: a) 13C (nuclear mass, 11.996708…

A:

Q: What isotope is used for radioactive dating of previously lived entity ?

A: Isotopes are the species which have same atomic number but different mass number. These are the…

Q: Predict the mode of decay of (a) plutonium-239, (b) indium-12o?

A: Pu-239 undergoes alpha decay and forms U-235. Alpha decay leads to decrease in atomic number by 2…

Q: Sample of radioactive element with a mass of 200 g, of which 175 g is decayed within 30 days.…

A:

Q: Would fusing two stable nuclei that have mass numbers in the vicinity of 100 be anenergy-releasing…

A: No. Stable nuclei that have mass numbers around 100 are the most stable nuclei. This should not form…

Q: What nuclide undergoes electron capture to produce ¹⁰⁸Pd?

A: The process of electron capture involves radioactive decay of an isotope that has a large number of…

Q: How many of the nuclei of a radioactive sample containing 2048nuclei decay in 3 years, if its half…

A: The number of nuclei of a radioactive sample containing 2048 nuclei that decays in 3 years is to be…

Q: The first four steps of the californium-252 decay chain consist of three α-decay steps followed by…

A: Concept based on radio active decay process.

Q: 90Y Predict the modes of decay of 39 A. Alpha decay B. Beta decay C. Gamma emission

A:

Q: What isotope is used for radioactivity dating of previously lived entity?

A: C-14 (Carbon-14) is a radioactive isotope. It has a half-life of 5,730.

Q: An 80 g sample of radioisotope decayed to 10 g after 24 days. What was the total number of grams of…

A:

Q: For Cobalt - 59, determine the mass defect (in g/mol) and binding energy in (kj/mol)

A: 59 cobalt have 27 proton and 32 neutron

Q: 48  of 48 How long for Ru-106 (half-life: 1 year) to decay down to 0.50% of its original amount? A.…

A: Since, you have asked multiple question, we will solve the first question for you. If you want any…

Q: Predict the mode of decay of (a) carbon-14

A: In nuclear chemistry Radio active decay is the process in which the unstable nuclei is disintegrated…

Q: Nuclides with too many neutrons to be in the band of stability are most likely to decay by what…

A: Nuclides with too many neutrons lie above in the band of stability. This nuclie which has more…

Q: 28 Predict the modes of decay of 13A! A. Alpha decay B. Electron capture C. Beta decay D. Positron…

A: Alpha decay- It is the nuclear decay process where the parent nucleus emits an alpha particle.…

Q: How many of the nuclei of a radioactive sample containing 2048 nuclei decay in 3 years, if it's half…

A: Half life of a radioactive sample is the time in which half of the sample is decayed i.e. 50% of the…

Q: 28Mg lies above the band of stability- its most likely mode of decay is what?

A:

Q: If one-trillionth of the atoms of a radioactive isotope disin-tegrate each day, what is the decay…

A: One trillionth of radioactive isotope decay takes place in a day. I trillion = 1.0 x 1012  The…

Q: Calculate the binding energy per nucleon for the following nuclei: a) ?C (nuclear mass, 11.996708…

A: Concept is based on binding energy

Q: 9) Complete the following scheme for 4K decays: (B decay or electron capture or a decay)

A:

Q: Which isotope is the most stable if the binding energy per nucleon is the measure of a nuclide's…

A:

Q: Predict the mode of decay of (a) plutonium-239,(b) indium-120.

A: (a) Plutonium-239: The atomic number (Z) of plutonium ( Pu) is 94. So, plutonium-239 has 94 protons…

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

A: The given data contains, Nuclear mass of 7 Be=7.01479 Be =9.010010 Be =10.0113

Q: An oxygen atom has been bombarded by an alpha particle and has lost an electron. This oxygen ion…

A: an oxygen atom has been bombarded by an alpha particle and has lost electron. During this process…

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: What fraction of the decay energy is this, noting that the decay mode is π0 → ϒ+ϒ (so that all the…

A:

Q: What will happen to the binding energy when the mass number increases?

A: Energy required to break down a nucleous into it's component nucleons is called binding energy.

Q: Predict the mode of decay of (a) carbon-14, (b) xenon-118.

A: Isotopes are those elements which have same atomic number but different mass numbers. There are many…