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Concept explainers
Interpretation:
When Po-214 undergoes alpha decay first and the formed nucleus A undergoes beta decay to give nucleus B has to be identified.
Concept Introduction:
Radioactive nuclides undergo disintegration by emission of radiation. All the radioactive nuclide do not undergo the decay at a same rate. Some decay rapidly and others decay very slowly. The nuclear stability can be quantitatively expressed by using the half-life.
The radioactive decay occurs till a stable nucleus is formed. Radioactive series is a decay process that occurs in series which begins with the long-lived radionuclide and ends up with nuclide having less
The radioactive decay can take place by alpha emission, beta emission or gamma ray emission. Alpha emission is a process in which an alpha particle is emitted. This results in the formation of nuclide of different element that has atomic number that is 2 less and mass number that is 4 less than the original nucleus. Beta emission is a process in which a beta particle is emitted. This produces a nuclide of different element similar to that of alpha particle decay. The mass number is same as that of parent nuclide while the atomic number increases by 1 unit. Gamma ray emission is a process in which the unstable nucleus emits gamma ray. This occurs along with alpha or beta emission. The gamma rays are not shown in the
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Chapter 11 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Given a mixture of three proteins, A, B and C, with isoelectric points pIA = 4.2, pIB = 7.0 and pIC = 7.7, could you separate them using a single chromatographic run?arrow_forwardIf there is 10 μmol of the radioactive isotope 32P (half-life 14 days) at t = 0, how much 32P will remain at (a) 7 days, (b) 14 days, (c) 21 days, and (d) 70 days?arrow_forwardA 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g of water from 23.4 degree C to 87.4 degree C. How many minutes will be required to heat the water if all of the energy generated from the decay is used to heat the water?arrow_forward
- Explain how the type of decay, the half life and the chemical properties make the following radionuclides suitable for the given applications: A single gram of polonium will reach a temperature of 500°C making it useful as a source of heat for space equipment (α emitter, half lives of polonium isotopes range from less than a second to 200 years).arrow_forwardThe decay of an isotope element follows a first-order reaction. Assuming that you start with 964 mg of the isotope element sample, after 39.4 hours of decay, you find that there is 275 mg of the sample remaining. What is the half-life time of this reaction?arrow_forwardWhat is the second polarbody?arrow_forward
- Assume that you list the following types of electromagnetic radiation in order of increasing wavelength: () the gamma rays produced by a radioactive nuclide used in medical imaging: (ii) radiation from an FM radio station at 93.1 MHz on the dial; (iii) a radio signal from an AM radio station at 680 kHz on the dial; (iv) the yellow light from sodium vapor streetlights; (v) the red light of a light-emitting diode. Which one would be the second? Lütfen birini seçin: O a 680 kHz AM radio waves O b. the red light O c the yellow light O d. 93.1 MHz FM radio waves O e the gamma raysarrow_forwardCompound A has two functional groups and it will formed an oily yellow liquid when it reacts with nitrous acid. They discovered that compound B is produced during the halogenation process of compound A. When compound B is reacted with nitric acid, compound C is formed. While Friedel Crafts alkylation of compoundAproduces compoundD. CompoundE was produced by Friedel Crafts acylation of compound A. This compound E reacts positively with alkaline iodine and 2,4-dinitrophenylhydrazine. However, it returns negative results for Tollens' and Benedict's tests. (a) Illutsrate the potential carbon-13 NMR spectrum for compound A. (b) Identify the possible structural formula of compound A (according to the carbon type) based on your proposed 13C NMR spectrum. (c) Predict the possible structural formula compounds B to E. The carbon atoms for compound A should more than SIX (6). (d) Distinguish between compound A with benzenedizonium chloride. (e) Predict the possible chemical reaction for…arrow_forwardIn Experiment 7, Isolation of Citrus Oils, the compounds isolated were the monoterpene compounds alpha-pinene, beta-pinene, limonene, myrcene and gamma-terpinene. The citrus oils were analyzed using gas chromatography, which separates compounds based on polarity and boiling point. Column chromatography and thin layer chromatography work on similar separation principles as gas chromatography, but rely only on polarity of compounds and solvents for separation. Explain why neither column chromatography nor thin layer chromatography would be appropriate separation methods for the terpenes isolated in Experiment 7. Answer:arrow_forward
- Phosphorus-32, a radioisotope used in leukemia therapy, has a half-life of about 14 days. Approximately what percentage of a sample remains after eight weeks?arrow_forwardThe remnants of an ancient fire in a cave in africa showed a 146C decay rate of 3.9 counts per minute per grams of carbon. if the decay rate in C-14 in freshly cut wood, is 13.6 counts per mintue per gram of carbon, how many years ago did the campfire occur?arrow_forwardWhat is the function of the structure labeled A?arrow_forward
- Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning
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