The isotope 198 79 Au (atomic mass = 197.968 u) of gold has a half-life of 2.69

Question:

The isotope ¹⁹⁸₇₉Au (atomic mass = 197.968 u) of gold has a half-life of 2.69 days and is used in cancer therapy. What mass (in grams) of this isotope is required to produce an activity of 315 Ci?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

See More Books

Question Posted: Feb 14, 2017 03:09 AM

See More Questions

The nuclide 198Au, with a half-life of 2.70 d, is used in cancer therapy. What mass of this nuclide is required to produce an activity of 250 Ci?
Radioactive isotopes used in cancer therapy have a "shelf-life," like pharmaceuticals used in chemotherapy. Just after it has been manufactured in a nuclear reactor, the activity of a sample of 60co...
The radon isotope 22286Rn, which has a half-life of 3.825 days, is used for medical purposes such as radiotherapy. How long does it take until 22286Rn decays to 10.00% of its initial quantity?
Your company has just been names in as a defendant in a lawsuit because of an accident. The plaintiff is suing for $400,000 in damages. You have contacted legal counsel and the attorneys have advised...
1. InterLink sold stock to hundreds of investors. Is that a violation of Rule 506? 2. InterLink did not comply with Rule 506. Does that mean it definitely made a public offering? 3. Did InterLink...
Shonda receives dividend income from the following foreign and domestic corporations in the current tax year. Determine the amount of U.S.-sourced income for each corporation. Corporation Silver...
What is the risk of the venture failing? Lending is all about risk, so dont ignore it. You must clearly state what the risks of the proposed project are and how you plan to minimize them. Risk can...
The comparative balance sheets of Orpheum Movie Theater Company at June 30, 2014, and 2013, reported the following: Orpheum Movie Theaters transactions during the year ended June 30, 2014, included:...
The following selected accounts appear in the ledger of Upscale Construction Inc. at the beginning of the current year: Preferred 2 % Stock, $ 8 0 par ( 2 0 0 , 0 0 0 shares authorized, 6 5 , 0 0 0...
Persimmon has $75,000 capital and Hawk has $45,000 capital in the Persimmon & Hawk partnership. Persimmon and Hawk share profits and losses equally. Judy Pound invests cash of $40,000 to acquire a...
A one-gram sample of radium 224 86 Ra (atomic mass = 224.020 186 u, T 1/2 = 3.66 days) contains 2.69 3 1021 nuclei and undergoes a decay to produce radon 220 86 Rn (atomic mass 5 220.011 368 u). The...
Outside the nucleus, the neutron itself is radioactive and decays into a proton, an electron, and an antineutrino. The half-life of a neutron (mass = 1.675 10227 kg) outside the nucleus is 10.4 min....
The sled shown in Fig. P1.76 slides along on a thin horizontal layer of water between the ice and the runners. The horizontal force that the water puts on the runners is equal to $1.2 \mathrm{lb}$...
A company which manufactures microwaves advertises that 90% of their microwaves are flawless, requiring no adjustments. Their quality control department tests this percentage on a regular basis. On...
A new retail store is being planned for a site that contains 40 ft of soft clay (c 0.075 ft2/day, y = 100 pcf). The clay layer is overlain by 15 ft of sand (y = 112 pcf) and is underlain by dense...
Perez Bags (PB) is a designer of high-quality backpacks and purses. Each design is made in small batches. Each spring, PB comes out with new designs for the backpack and for the purse. The company...
Find a recent (within the last 12 months) article or economic blog related to price fixing, provide an executive summary of the information. Include an APA reference and/or link. How does the fact...
A rectangular block of a material with a modulus of rigidity G=90 ksi is bonded to two rigid horizontal plates. The lower plate is fixed, while the upper plate is subjected to a horizontal force P....
The virial equation Z = 1 + BP/RT may be used to calculate fugacities of components in mixtures. Suppose B = y 1 B 11 + y 2 B 22 . (This simple form makes calculations easier. Eqn. 15.1 gives the...
In the simple quantity theory of money, what will lead to an increase in aggregate demand? In monetarism, what will lead to an increase in aggregate demand?
Ice at 10.0C and steam at 130C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 50.0C is present. Ignoring...
Multiple-Concept Example uses the same physics principles as those employed in this problem. A block of material has a mass of 130 kg and a volume of 4.6 10-2 m3.The material has a specific heat...
A persons body is covered with 1.6 m2 of wool clothing. The thickness of the wool is 2.0 10-3 m. The temperature at the outside surface of the wool is 11C, and the skin temperature is 36C. How much...
Deacon Company is a merchandising company that is preparing a budget for the three - month period ended June 3 0 th . The following information is available Deacon Company Balance Sheet March 3 1...
Mango Company applies overhead based on direct labor costs. For the current year, Mango Company estimated total overhead costs to be $460,000, and direct labor costs to be $230,000. Actual overhead...
Which of the following do we expect to be the horizon growth rate for a company (long term growth rate- say 30-50 years)? A) Inflation B) Industry Average C) Zero D) Market Beta

The isotope 198 79 Au (atomic mass = 197.968 u) of gold has a half-life of 2.69

Question:

Step by Step Answer:

The mass m of a substance is equal to the number n of moles times the mass per mole see Section 141 ...View the full answer

Physics

Students also viewed these Modern Physics questions