Consider an initially pure 3.4 g sample of 67Ga, an isotope that has a half-life of 78

Question:

Consider an initially pure 3.4 g sample of 67Ga, an isotope that has a half-life of 78 h.

(a) What is its initial decay rate?

(b) What is its decay rate 48 h later?

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

See More Books

Question Posted: Feb 19, 2011 04:27 AM

See More Questions

An initial amount of 100 g of the radioactive isotope thorium-234 decays according to Q(t) = 100e-0.02828t where t is in years. How long before half of the initial amount has disintegrated? This time...
83Li is an isotope that has a lifetime of less than a second. Its mass is 8.022485 u. Calculate its binding energy in MeV.
Consider the decay series A B C D where A, B, and C are radioactive isotopes with half-lives of 4.50 s, 15.0 days, and 1.00 s, respectively, and D is nonradioactive. Starting with 1.00 mole of A,...
Do the following problems mentally using the distributive property. a. 5 99 b. 4 88 c. 8 52
Zeb Slipewicz opened a renovation business called Creature Construction on September 3, 2014. During the first month of operations, the business completed the following transactions: Sept. 3 Zeb...
Using data from Appendix E, calculate the equilibrium constant for the disproportionation of the copper(I) ion at room temperature: 2 Cu+(aq) Cu2+ (aq) + Cu(s).
A shortwave radio antenna is constructed from circular tubing, as is illustrated in Fig. P9.83. Estimate the wind force on the antenna in a $100-\mathrm{km} / \mathrm{hr}$ wind. Figure P9.83 0.6 m...
Alder Cough Drops operates two divisions. The following information pertains to each division for 2013. Required a. Compute each divisions residual income. b. Which division increased the companys...
4 The inventory records of Kuffel Company reflected the following information for the year ended December 31, 2022: 3.75 points Date 1/1 Transaction Number of Units Unit Cost Total Cost Beginning...
Kentaro Corporation manufactures Digital Video Recorders (DVRs) in its Tokyo plant. The following costs are budgeted for January. (Yen is the Japanese monetary unit.) Raw materials and components...
What is the binding energy per nucleon of the americium isotope 24495Am? Here are some atomic masses and the neutronmass. 3*Am 244.064 279 u 1.008 665 u 'H 1.007 825 u
The half-life of a particular radioactive isotope is 6.5 h. If there are initially 48 x 1019 atoms of this isotope, how many remain at the end of 26 h?
In Problem find the indicated first-order partial derivative for each function z = f(x, y). f x (x, y) if f(x, y) = 7x + 8y - 2
In a 4D Euclidean space with metric ds = dx + dy + dz + dw, we define the 3D surface x + y ++w= R2, with a positive constant R. This surface is called a 3-sphere. We introduce the periodic...
How do cognitive biases and perceptual distortions influence the resolution of intricate disputes, and what strategies can be implemented to mitigate their impact ?
Carlton Bank has an increase in reserves of $1,000,000. If the reserve ratio is 10%, by what amount may Carlton increase its demand deposits?
How can the judicious application of mediation and arbitration principles foster harmonious resolutions amidst intricate intergroup conflicts ?
2. Assume that Portugal and England are each able to produce wine and wheat under the following conditions: Portugal England 1 barrel wine 20 labor hrs 1 ton wheat 30 labor hrs 40 labor hrs 30 labor...
Express the algorithm described in the graph of the decimation-in-frequency FFT in Figure 3.13 in matrix form. Fig. 3.13. x(0) x(1) x(2) -1 WN2 x(3) W x(4) WN x(5) W W4 x(6) -1 W x(7) -1 -1 -1 X(0)...
A survey of 70 college freshmen asked whether students planned to take biology, chemistry, or physics during their first year. Use the diagram to answer each question. How many of the surveyed...
True or false: (a) A digital signal is a continuously changing voltage. (b) A digital signal is a sequence of numbers that represent an analog signal. When processing an analog signal, the output may...
Electromagnetic field has two invariant quantities. Using the transformation formulas (3.6i), demonstrate that these quantities are (a) EB; (b) E2 c2B2.
In an inertial reference frame K there are two uniform mutually perpendicular fields: an electric field of strength E = 40 kV/m and a magnetic field induction B = 0.20 mT. Find the electric strength...
A point charge q moves uniformly and rectilinearly with a relativistic velocity equal to a fraction of the velocity of light ( = v/c). Find the electric field strength E produced by the charge at the...
1. There are missing parts in the program below and fix the bugs: isJavaFun = true; = is Fish Tasty false; System.out.println("Is Java Fun' is JavaFun); System.out.println("Is Fish TASTY" isFish...
Write regular expressions in Java for the following: Strings between10and20characters (inclusive) which have odd lengths. The allowed characters here are not specified, and should be considered...
These containers are available in four sizes: huge, large, medium, and small, which can hold 50, 20, 5 and 1 widgets, respectively. The cost of each of the containers, at this time, is $35.00 (huge),...

Consider an initially pure 3.4 g sample of 67Ga, an isotope that has a half-life of 78

Question:

Step by Step Answer:

a The decay rate is given by R N where is the disintegration const...View the full answer

Fundamentals of Physics

Students also viewed these Modern Physics questions