The curie (Ci) is a commonly used unit for measuring nuclear radioactivity: 1 curie of radiation is
Question:
a. What mass of Na238SO4 has an activity of 10.0 mCi? Sulfur-38 has an atomic mass of 38.0 and a half-life of 2.87 h.
b. How long does it take for 99.99% of a sample of sulfur-38 to decay?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 83% (12 reviews)
a 00100 Ci 37 10 8 decayss k Rate kN N N 55 10 12 atom...View the full answer
Answered By
Priyabrat Sethi
I am doing research (PhD) on chemistry in National institute of science education and research, Bhubaneswar Odisha.My research interests is catalysis. I take the class for preparation of CSIR NET and GATE. From last three years I was working on that. Now I am working as research scholar. I cleared CSIR NET with AIR rank -120.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Chemical Engineering questions
-
How long does it take for $8500 invested at 11% annual simple interest to be worth $13,000?
-
How long does it take light to reach us from the Sun 1.50 x 108 km away?
-
A star is 35pc away. How long does it take for its light to reach us?
-
How do you identify the potential classes in a problem domain description?
-
The following are two specific balance-related audit objectives in the audit of accounts payable. 1. All accounts payable included on the list represent amounts due to valid vendors. 2. There are no...
-
Safeway, Inc., is one of the world's largest supermarket chains. These selected items were adapted from a recent Safeway balance sheet. (Dollar amounts are in millions.) Instructions a. Using the...
-
Raymonde, the owner of a small company, asked Holmes, public accountant, to conduct an audit of the company's records. Raymonde told Holmes that an audit is to be completed in time to submit audited...
-
BOND SINKING FUNDS M. J. Adams Corporation pays $40,000 into a bond sinking fund each year for the future redemption of bonds. At the end of the first year, earnings on the sinking fund are $3,200....
-
Continent Ltd acquired a 40% interest in Island Ltd in which it invested $170 000 on 1 July 2019. Continent Ltd has signed a joint venture agreement with the other investors in Island Ltd providing...
-
Harry is a stay-at-home father taking care of his two children. When he is not changing diapers or doing laundry, he can work online up to 18 hours in a day. Denote the number of hours he works by x....
-
Radioactive copper-64 decays with a half-life of 12.8 days. a. What is the value of k in s-1? b. A sample contains 28.0 mg 64Cu. How many decay events will be produced in the first second? Assume...
-
The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What percentage of the strontium-90 originally produced by that explosion still remains as of...
-
Suppose that a consumer has utility given by U(X, Y) = XY + 10Y and income of $100 to spend on goods X and Y. a. The prices of X and Y are both $1 per unit. Use a Lagrangian to solve for the optimal...
-
riding his bicycle uphill in Ty is Fdmonton's river valley, the gains of elevation over the of trail in 8.0 minutos. Ty have a combined mass of gokg How much work did Ty do to make the climb7 65...
-
Sketch both of these graphs by using the Following data: Graph #1 f(2)= undefined f(-3) = 3 lim f(x) = 1 x-27 lim f(x) = 5 Graph #2 lim f(x) = 1 x -00 lim f(x) = -4 x+00 lim_ f(x) = 3 x-4 lim f(x) =...
-
Four months after the merger between two auto insurance companies, Green Lizard and Global Promise, Priya Shama was hired to oversee the merger of the claims department for both companies. The newly...
-
Explain the purpose and state on which financial statement the following belong and provide a short example of each: Research and Development, Accumulated Amortization, Amortization Expense.
-
Find the general solution of the following differential equation. Primes denote derivatives with respect to x. 1 (xy' + y) (8+x) = 6x The general solution is y(x) = .
-
Here, we consider the iconic model of Fig. 5.26 that represents an aircraft engine undergoing tests on an elastic foundation. Find the amplitudes of the oscillations exhibited by each end of the pad...
-
All of the following assets can be depreciated, except: (a) A bulldozer (b) A copper mine (c) A surgical robot (d) A conveyor belt
-
For the ammonia process in Example 6.4, consider operation of the reactor at \(932^{\circ} \mathrm{F}\) and \(400 \mathrm{~atm}\). Use a simulator to show how the product, recycle, and purge flow...
-
Francium is thought to be the most reactive of the alkali metals. Because it is radioactive and available in only very small amounts, it is difficult to study. However, its properties can be...
-
How many unpaired electrons are predicted for the ground-state configuration of each of the following atoms: (a) Bi; (b) Si; (c) Ta; (d) Ni?
-
A baseball must weigh between 5.00 and 5.25 ounces (1 ounce = 28.3 g). What is the wavelength of a 5.15-ounce baseball thrown at 92 mph?
-
True or False, The automatic GST exemption allocation for direct skip transfers applies as much of the transferor's remaining GST exemption as is necessary to create a zero inclusion ratio (or as...
-
What is the definition of business value? Multiple choice question. all the items, events, and interactions that determine a company's financial health the stock price per share of stock the increase...
-
Please answer with reason for all why the option is correct and why the other options are incorrect,, Please help with this Accounting type Question: Realisation concept would apply when: A . Money...
Study smarter with the SolutionInn App