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?

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?

Step by Step Solution

★★★★★

3.49 Rating (162 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

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

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

2-P-M-P-N-P (206).docx

120 KBs Word File

Students Have Also Explored These Related Modern Physics Questions!

Q:

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...

Q:

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.

Q:

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,...

Q:

Plutonium isotope 239Pu decays by alpha decay with a half-life of 24 100 y. How many milligrams of helium are produced by an initially pure 12.0 g sample of 239Pu, at the end of 20 000 y? (Consider...

Q:

Plutonium isotope 2 3 9 Pu decays by alpha decay with a half - life of 2 4 , 1 0 0 y . For this problem, consider only the helium produced directly by the plutonium and not by any by - products of...

Q:

Homework #12 * we NWP Assessment Builder UI A x . we Question 6 of 12 - Homework X C A Li nucleus with an initial kine x +...

Q:

Consider an initially pure sample of radioactive material products are themselves radioactive with differing half - lives. equations characterizing the concentration of various isotop decay chain is...

Q:

Consider an initially pure sample of radioactive material products are themselves radioactive with differing half - lives. equations characterizing the concentration of various isotop decay chain is...

Q:

An isotope of gallium, 6 7 Ga , has an atomic number of 3 1 and a half - life of 7 8 hours. Consider a small mass of 3 . 6 grams for 6 7 Ga which is initially pure. What is the decay constant of the...

Q:

An isotope of gallium, ? 6 7 G a , has an atomic number of 3 1 and a half - life of 7 8 hours. Consider a small mass of 3 . 5 grams for ? 8 7 G a which is initially pure. What is the decay constant...

Q:

Read this following ethical dilemma: We must get it, Courtney Lowell, president of Industrial Fasteners, roared. Without it, were in big trouble. The it Mr. Lowell referred to is the renewal of a $14...

Q:

Consider the potential transformer of Problem 2.29. a. Use MATLAB to plot the percentage error in voltage magnitude as a function of the magnitude of the burden impedance (i) for a resistive burden...

Q:

You are the HIM Director of a goo - bed acute care hospital and have been asked to serve on the planning committee for EHR implementation. Your purpose on the committee is to identify needs from an...

Q:

Express each of the following as a percent. (a) 2.25 (b) 0.02 (c) 0.009 (d) 0.1275 (e) 5/4 (f) 11/8 (g) 5/200 (h) 7/25

Q:

Carter Hopkins Homes engaged in the following activities during the year: Borrowed $600,000 from Marshall Bank Declared and paid dividends on common stock of $28,000 Made a $78,000 annual...

Q:

Change each of the following percents into a common fraction in lowest terms. (a) 2 1/2% (b) 116 2/3 %

Q:

Change each of the following percents into a decimal. (a) 185% (b) 7.5% (c) 0.4% (d) 0.025% (e) 1 % (f) % (g) 162 % (h) 11 % (i) 8 1/3% (j) 83 1/3% (k) 266 2/3% (l) 10 3/8%

Q:

Cash flows provided by investing activities (LO 3) Carter Hopkins Homes engaged in the following activities during the year: Purchased 500 shares of Google for $412,000 Sold 1,000 shares of...

Q:

The following table contains the probability distribution for the number of traffic accidents daily in a small town: a. Compute the mean number of accidents per day. b. Compute the standard deviation.

Q:

Electromagnetic field has two invariant quantities. Using the transformation formulas (3.6i), demonstrate that these quantities are (a) EB; (b) E2 c2B2.

Q:

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...

Q:

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...

Q:

You have the following data on Bravo, plc for the year 2018: Income Statement for the year to 31/12/2018 '000 Revenue (all credit sales) 1,850 Cost of Sales (Purchases) (1,350) Gross Profit 500...

Q:

Discuss and give a detailed explanation about the company's cash flow from 2019 to 2021. 12 months ended: Jan 31, 2021 Jan 31, 2020 Jan 31, 2019 Consolidated net income 13,706 15,201 7,179...

Q:

e question will save this response Question 1 of 27 Question 1 2 points Suppose you invest in a municipal bond that pays a yield of 5%. If your marginal tax is 23%, what is the equivalent yield on...