Question: 2. The counting rates listed below were obtained when the activity of a certain radioactive sample was measured at different times. Plot the decay

2. The counting rates listed below were obtained when the activity of

2. The counting rates listed below were obtained when the activity of a certain radioactive sample was measured at different times. Plot the decay curve on semilog paper and determine the half-lives and initial activities of the component activities. Time, hr Counting rate, counts/min Time, hr Counting rate, counts/min 3500 2520 0.0 19100 4.0 14500 11410 0.5 5.0 1.0 6.0 1835 1.5 2.0 9080 7345 8.0 985 10.0 530 3.0 4985 12.0 290

Step by Step Solution

★★★★★

3.33 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock 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

Students Have Also Explored These Related Physics Questions!

The number of bacteria NB measured at different times t is given in the following table. Determine an exponential function in the form NB = Neat that best fits the data. Use the equation to estimate...

The amount of a certain radioactive material, in grams, present after t days is modeled by A(t) = 600e -0.05t . (a) Find the amount present after 12 days, to the nearest tenth of a gram. (b) Find the...

The half-life of a certain radioactive isotope is 6 h. If we start out with 10 g of the isotope, after 1 day there will be a. none left b. 0.625 g left c. 1.6 g left d. 2.5 g left

The enzyme carboxypeptidases catalyses the hydrolysis of polypeptides and here we consider its inhibition. The following results were obtained when the rate of the enzymolysis of...

The creep rate the time rate at which strain increases, and stress data below were obtained from a testing procedure. Using power law curve fit, = B m Find the value of B and m . Plot your results...

At t = 0, a pure sample of radioactive nuclei contains N0 nuclei whose decay constant is . Determine a formula for the number of daughter nuclei, ND, as a function of time; assume the daughter is...

The activity of a certain enzyme is measured by counting emissions from a radioactively labeled molecule. For a given tissue specimen, the counts in consecutive 10-second time periods may be regarded...

Albertson Corporation is a diversified company with nationwide interests in commercial real estate developments, banking, copper mining, and metal fabrication. The company has offices and operating...

A process stream is heated using a shell and tube heat exchanger. The exit temperature is controlled by adjusting the steam control valve shown in figure. During an open-loop experimental test, the...

An electron in a hydrogen atom is in a state with l = 5.What is the minimum possible value of the semi-classical angle between and Lz?

You have been hired as a financial analyst by XYZ Corporation, and your first task is to analyze the company's financial statements and provide a report to the management. Using the financial...

8 Life insurance may not be used as an asset class for a corporation set up as an owner of life insurance. True False

Explain the evolution of unions in the United States of America up to our present time.

Explain why criminal justice in the United States is sometimes considered a non system

1. A random sample of 47 women and men has been rated as low or high in their support for abortion. The results are: Group Support for Males Females Totals Abortion High 15 5 20 Low 10 17 27 Totals...

(i) Calculate the double bond equivalents (DBE) for each molecule. (ii) Assign the 1H NMR spectra completely, rationalise the number of peaks, relative integral, their multiplicity or splitting...

6. Fill in the missing names of parts of human immune system or its function (pkt7). IMMUNE RESPONSE IMMUNE RESPONSE Key Antigen (1st exposure) Stimulates Engulfed by Gives rise to Antigen-...

Select a public company of your choice and run a PESTS analysis. Based on your analysis, what strategic initiative would you recommend? Why?

JAVA In this you are to implement a simplified version of the Flesch reading-ease test. Create a program called FleschReadingEase that meets the following requirements 1. Takes one argument from the...

A Calgary observatory records daily the mean counting rates for cosmic rays for that day. If a daily mean rate below 3200 is considered low, then "low" values occur about 3.6% of the time (in no...

A large sample of data (n = 335) from a Calgary observatory produced a mean daily counting rate for cosmic rays of 3465.46, and a standard deviation of 127.72. Use these sample data to find the 90%...

attached the document, i need help question 2-6. our friend approaches you to provide advice on the mechanisms within the financial market, how prices are set and the concept of the incorporation of...

A Calgary observatory records daily the mean counting rates for cosmic rays for that specific day (data from the National Geophysical Data Center). These recorded values are approximately normally...

Is it possible to learn how to do these practice question in a short time.,,,12 hours? 1. (8 points) A German company is exporting some equipment to the United States and will receive payment of US$1...