Question: A sample of iron-59 initially registers 165 counts per second on a radiation counter. After 11.0 d, the sample registers 139 counts per second. What

A sample of iron-59 initially registers 165 counts per second on a radiation counter. After 11.0 d, the sample registers 139 counts per second. What is the half-life (in days) of iron-59?

Step by Step Solution

★★★★★

3.53 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

At t 0 the rate is 165 nucle... View full answer

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 General Chemistry Questions!

Assessment Section 1 1 Queries with Restrictions Assessment This database contains data about crimes reported in the city of Chicago during 2 0 1 8 . 1 . 1 What are the details of the community area...

A sample of iron-59 initially registers 125 counts per second on a radiation counter. After 10.0 d, the sample registers 107 counts per second. What is the half-life (in days) of iron-59?

A sample of copper-64 gives a reading of 88 counts per second on a radiation counter. After 9.5 h, the sample gives a reading of 53 counts per second. What is the half-life (in hours) of copper-64?

A sample of iron has a volume of 48.2 cm3. What is its mass?

Bruce banner is studying a new element called asgardium. He finds that asgardium emits gamma radiation and has a half-life of 15 days. He knows that is he is exposed to gamma radiation above an...

Bruce Banner is studying a new element called Asgardium. He finds that Asgardium emits gamma radiation (uh oh) and has a halflife of 28 days. Dr. Banner knows that if he is exposed to gamma radiation...

7 2 Hi I know this may seem like alot and it's absolutely okay if you don't want to answer all but can you please help me out. I don't have a whole lot of questions left but I really have to finish...

CASE 25 Southwest Airlines in 2014: Culture, Values, and Operating Practices Arthur A. Thompson John E. Gamble The University of Alabama Texas A&M University-Corpus Christi n 2014, Southwest Airlines...

HI GOOD AFTERNOON, IS IT POSSIBLE THAT I MAY GET SOME ASSISTANCE WITH THIS ASSIGNMENT. SEE ATTACHMENT INSTRUCTIONS ARE AS FOLLOWS: ONLY THE RELEVANT HISTORY IS IMPORTANT, IN TERMS OF A PROBLEM...

Java 1. The data file. The first part of your assignment is to select a subject for a data file, which will be a simple version of what is called a "database." A data file typically contains...

This is Strategic Management , please read the following case 9B06M092 about Lululemon Athletica: Primed for Growth and help me answer the questions related to this case study. Case questions:...

What are the three types of formulas used to determine pension benefits for defined benefit pension funds? Describe each.

P4.3-3. ww 10 92 24 V *** |-* ---- 12 V 0.6 A 40 02 40 Figure P4.3-3 Determine the values of the power supplied by each of the sources in the circuit shown in Figure

A survey of 1,085 adults asked, Do you enjoy shopping for clothing for yourself? The results (data extracted from Split Decision on Clothes Shopping, USA Today, January 28, 2011, p. 1B) indicated...

Which option should she choose, and why?

Complete the following equation. Using Table 15.2, predict whether you would expect the reaction to occur to any significant extent or whether the reaction is more likely to occur in the opposite...

Use Table 15.2 to decide whether the species on the left or those on the right are favored by the reaction. a. b. c. d. HCN HSCN H2S TABLE 15.2 Relative Strengths of Acids and Bases Weakest acids HBr...

Use Table 15.2 to decide whether the species on the left or those on the right are favored by the reaction. a. b. c. d. CN--+ H-O-HCN + OH TABLE 15.2 Relative Strengths of Acids and Bases Weakest...

Ch. 6 Web Ex. 3) You can find the most recent bond rating for many companies by logging on the finance.yahoo.com and going to the bond center. Find the bond rating for some major companies. Were they...

Find the periodic withdrawals PMT for the given annuity account. (Assume end-of-period withdrawals and compounding at the same intervals as withdrawals. Round your answer to the nearest cent.)...

"Aircraft turn around time is defined as the time required to prepare a aircraft for its next flight after arriving at a terminal. Assume that United Airlines' turnaround timefollows a uniform...