Two-part question, thank you in advance Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it take for 2.2% of this nuclide to decay? (Express your answer in seconds.)   How long will it take for 98.0% of this nuclide to decay? (Express your answer in seconds.)

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: 3. A 50 gram sample of a radlolsotope undergoes 2 half-lives. How many grams would remain at the…

A: Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a…

Q: Manganese-49 (Mn-49, Z=25) decays by emitting a positron. What is the formula of the "daughter…

A: Mn-49 undergoes posisrron emission.

Q: Predict a likely mode of decay for unstable nuclide. Ru-90

A: When an isotope is not stable, it may undergo radioactive decay to form more stable isotopes. There…

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

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

Q: 1. The radioactive nuclide has a half-life of 17.5 hours. What a 0.0100 g sample after 24.0 hours…

A:

Q: Explain what is meant by (a.) radioactivity (b.) half-Ilfe Why is it necessary to specify the…

A: a) Radioactivity is a process or phenomenon of disintegration of unstable nucleus into stable…

Q: If 1.50 gram of a 2.00-gram sample of a radioactive substance undergoes decay in 60 minutes, then…

A:

Q: A 76 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A: Given : Half life=12 hr Initial amount, [A]o=76 mg The final amount, [A]=? Time, t=3.5 days= 3.5 x…

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

A: The correct answer about the stability of Heavy nuclides is given below

Q: Predict a likely mode of decay for unstable nuclide. P-27

A: The decomposition of parent nucleus to the stable daughter nucleus takes place by nuclear decay…

Q: 15. Th-232 undergoes a disintegration series by successive alpha, beta, beta, alpha, alpha, alpha,…

A: Solution : Thorium is such an element that occurs naturally on the earth's crust. Thorium has…

Q: Observe the beta decay of H-3. Write the nuclear equation for this process.   What is the…

A: The general expression for the beta decay  XZA      →    YZ+1A     +     β-    +    anti…

Q: The decay series from uranium-238 to lead-206 is indicated in the figure. For each step of the…

A: Since question has multiple parts to answer,we can answer only first three parts as per our…

Q: What is the resulting nuclide when Sr-83 decays by positron emission? If your answer is carbon-14,…

A: Given  Reactant  =   Sr  Emission  =   Positron  Product   = ?

Q: A patient is given 0.050 mg of technetium-99m, a radioactive isotope with a half-life of about 6.0…

A: Given,0.050 mg of technetium-99m,Half-life is 6.0 hours.1.0×10-3 mg

Q: A rock contains 0.637 mg of 200Pb for every 1.000 mg of <3°U present. Assuming that no lead was…

A:

Q: lead (214Pb82) decays to bismuth (214Bi83) emitting negative beta particles with a half-life of…

A: answer =  1.1846 x 10-11 curie

Q: The radioactive nuclide 9Co has a half-life of 5.27 years. Calculate the mass of 2Co that remains…

A: We have to calculate the amount remaining after 1 year.

Q: What is the mass defect for americium-241 if the mass of the nucleus is 241.05682 u? Calculate the…

A:

Q: please kindly help answer this question . i tried C and D but they were both wrong . Heavy nuclides…

A: Heavy nucleotide with too few neutrons will try to decay by a methid by which it increses the nunber…

Q: A radioactive nuclide of mass number 94 has been prepared by neutron bombardment. If 4.7 µg of this…

A: Radio nuclide is nuclide which is unstable and due to its extra energy it disintegrates into new…

Q: How much time is required in days for a 6.25 mg sample of Cr-51 to decay to 1.75 mg if it has a…

A:

Q: Predict a likely mode of decay for unstable nuclide. Te-139

A: Beta decay: When nuclides have high neutrons to protons ratio (N/Z) then they lie above the band of…

Q: Resulting nuclide when Be-7 decays by electron capture?

A: In this question we are asked for the nuclide on the decay of Be-7 by electron capture.

Q: The nuclide 35S decays by beta emission with a half-life of 87.1 days.(a) How many grams of 35S are…

A: The relation between the half life nad the number of nuclei,N=A(t120.6931)........1stWhere,N  =…

Q: A chemist wishing to do an experiment requiring "c (half-life = 4.5 days) needs 7.0 ug of the…

A: GIVEN:-

Q: Iodine-131 undergoes beta emission with a decay constant of 0.0864 1/days. If you start with 35.0 mg…

A:

Q: If 16.0 g of a nuclide with a half-life of 2.0 hr is allowed to decay for 10 hours, how much of the…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: Bismuth-210 is a beta emitter with a half-life of 5.0 days. If a sample contains 1.2 g of Bi-210…

A: Given data:

Q: The radioactive nuclide 60Co as a half-life of 5.27 years. Calculate the mass (in g) of "Co that…

A: Formula: N=Noe-λt

Q: ²¹⁰Pb decays by emitting a β⁻ particle. What nuclide is produced? A) ²¹⁰Bi B) ²¹⁰Pb C) ²¹⁰Hg…

A: Beta decay (β-decay) is a type of radioactive decay in which a beta particle (fast energetic…

Q: The common isotope of uranium, 238 U, has a half-life of 4.47 x 109 years, decaying to 234 Th by…

A: All radioactive decay processes follow first order reactions. Calculating rate constant for first…

Q: 2. When the nuclide 2Np 239 93 und (B- decay) the nuclide produc 23911

A: The spontaneous disintigration of alpha, beta and gamma radiations by a substance irrespective of…

Q: A sample of drinking water collected from a suburban Boston municipal water system in 2002 contained…

A:

Q: a. Write the β- decay reaction.  b. What is the initial number of Cs-137 atoms in the sample?   c.…

A: Nuclear kinetics follows first order kinetics and all formulas of first order reaction is applicable…

Q: Write a nuclear equation when phosphorus-30 undergoes positron emission B.Determine the nuclear…

A: "Since there are multiple parts in the question and it is not mentione d, which part is to be…

Q: Fluorine-21 has a half life of approximately 5 seconds. What percent of the original nuclei would…

A:

Q: Radium-226 (atomic mass = 226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life…

A:

Q: A rock contains 0.697 mg of 206pb for every 1.000 mg of 238 U present. Assuming that no lead was…

A: Given,  Mass of 206Pb = 0.697 mg  Mass of 238U = [A]0 = 1.000 mg  Half life period for 238U = t1/2 =…

Q: The nuclide 131I undergoes beta decay with a half-life of 8.041 days. Large quantities of this…

A:

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

A: Given, N = 3.8 microgram No = 104.9 microgram t1/2 = 4.7 × 1010 year.

Q: Write a balanced nuclear reaction for the following: 216 Po 0 B+ 84 -1 When balancing the nuclear…

A: We are given a unbalanced nuclear reaction. P84216o→β+10 + .......................(1)

Q: The half-life of sodium-24 is 15.0 hr. How many grams of this nuclide in a 3.00-g sample will remain…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Scientists have recently shown that a sample of cocaine can be traced to its country of origin by…

A: Type of radioactivity shown by carbon-14 is β- and the reaction is shown shown below.

Q: A 58 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her…

A:

Q: A chemist wishing to do an experiment requiring "a (half-life = 4.5 days) needs 3.0 ug of the…

A:

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.