The half-life of 238 U is 4.5 * 10 9 yr. A sample of rock of mass

Question:

The half-life of ²³⁸U is 4.5 * 10⁹ yr. A sample of rock of mass 1.6 g produces 29 dis/s. Assuming all the radioactivity is due to ²³⁸U, find the percent by mass of ²³⁸U in the rock.

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

Step by Step Answer:

Related Book For book-img-for-question

Chemistry A Molecular Approach

ISBN: 9780134874371

5th Edition

Authors: Nivaldo Tro

See More Books

Question Posted: Nov 25, 2023 10:19 PM

See More Questions

Canadian Steel: Role of Information Systems (IS) Canadian Steel is the 5th largest integrated steel manufacturer in North America and the largest in Canada. Headquartered in Mitchell, Ontario, it can...
Cerrado SA operates in two segments via two different subsidiaries: Wood & Paper. Cerrado has a Debt-Equity ratio of 0.25 and a marginal tax rate of 40%. Every year, the Wood subsidiary generates...
1. How would you describe WWE's corporate-level strategy? 2. What innovation strategies did Vince McMahon use to grow WWE? 3. What resources does WWE have and how valuable are they? 4. What are the...
Cost of goods available for sale consists of two elements: beginning inventory and: (a) ending inventory. (b) cost of goods purchased. (c) cost of goods sold. (d) All of the answer choices are...
Last year, Dogwood Company had net sales of $9,375,000 and cost of goods sold of $4,812,000. Dogwood had the following balances: Required: Round answers to one decimal place. 1. Calculate the average...
The Bear family is trying to decide what to have for dinner. Baby Bear says that his ranking of the possibilities is (honey, grubs, Goldilocks). Mama Bear ranks the choices (grubs, Goldilocks,...
3. What does the Item List show?
A fuel gas containing 85.0 mole% methane and the balance ethane is burned completely with pure oxygen at 25C and the products are brought back down to 25C. (a) Suppose the reactor is continuous. Take...
Company ABC purchased a piece of equipment for $250,000. The useful life of this asset is five years. It is estimated that over this time, 10,000 total units will be produced. The estimated salvage...
The half-life of 232 Th is 1.4 * 10 10 yr. Find the number of disintegrations per hour emitted by 1.0 mol of 232 Th.
The nuclide 6 Li reacts with 2 H to form two identical particles. Identify the particles.
A 100 kg basketball player can leap straight up in the air to a height of 80 cm, as shown in Figure P7.50. You can understand how by analyzing the situation as follows: a. The player bends his legs...
Cauchy's sequence theorem
QUESTION: 1 Discuss Local Government and Administration of Tanzania
Discuss how Central Governments Exercise Control over Local Governments by Citing Examples
Find derivative of sin x,cos a,tan x,secx,csca, cot a
Find anti derivative of cos x,sin x,sec r,sec r tan r,csc xcotx,csc r
Based on Problem 16-1, imagine that initially the market interest rate is 5 percent and at this interest rate you have decided to hold half of your financial wealth as bonds and half as holdings of...
9.Consider the reaction 3NO2(g)+H2O=2HNO3(aq)+NO(g) where Delta H=-137 kJ.How many kilojoules are released when 92.3g of NO2 reacts?
Youre designing a Michelson interferometer in which a speed of light difference of 100m/s in two perpendicular directions is supposed to shift the interference pattern so a bright fringe of 550-nm...
Earth and Sun are 8.3 light minutes apart, as measured in their rest frame. (a) Whats the speed of a spacecraft that makes the trip in 5.0 min according to its on-board clocks? (b) Whats the trip...
Youre the communications officer on a fast spaceship that takes 50 years in ship time to reach the Andromeda Galaxy, 2 million light years from Earth in the common rest frame of Earth and Andromeda....
When credit terms for a sale are 2/15, n/40, the customer saves by paying early. What percent (rounded) would this savings amount to on an annual basis
An industrial robot that is depreciated by the MACRS method has B = $60,000 and a 5-year depreciable life. If the depreciation charge in year 3 is $8,640, the salvage value that was used in the...
What determines a firm's beta? Should firm management make changes to its beta? Be sure to consider the implications for the firm's investors using CAPM.

The half-life of 238 U is 4.5 * 10 9 yr. A sample of rock of mass

Question:

Step by Step Answer:

Chemistry A Molecular Approach

Students also viewed these Sciences questions