Explain if the imaging agent had an initial rate

Assignment Help Chemistry
Reference no: EM13190527

The isotope carbon-11 is used in biomedical imaging and has a half-life of 20.39 minutes. If the imaging agent had an initial rate of 7500 decays per minute (dpm) and if the imagine required 1 hour to complete, what would the decay rate be immediately after the test is completed?

Reference no: EM13190527

Questions Cloud

What would you expect to happen in the market : If the current price of the product is $100, what is the quantity supplied and the quantity demanded How would you describe this situation and what would you expect to happen in this market
Analyze error propagation : Analyze an architecture to determine whether the schedule is likely to be met and analyze error propagation
How to promote economic activity nd preserve price stability : The Federal Reserve Board testimonies, press releases, monetary policy reports, the Beige Book, and a variety of other publications offer a detailed assessment of current economic activity, financial markets, and the monetary policy tools used to ..
What is the highest feasible black market price : Suppose that the black market for Internet providers arises, with internet service providers developing hidden connections. Illustrate the black market for inter access, including the implicit supply schedule, the ceiling price, the black market s..
Explain if the imaging agent had an initial rate : If the imaging agent had an initial rate of 7500 decays per minute (dpm) and if the imagine required 1 hour to complete, what would the decay rate be immediately after the test is completed?
Find an analytical expression for the maximum correlation : Consider a portfolio of three assets (A,B,C). Denote the expected returns on each asset as rA; rB; rC, respectively. Denote variances and covariance similarly. Suppose the investor will accept a maximum portfolio variance of X.
Explain the formal change management system : The project could fail because the cost of a key component has increased and we could build a product that does not achieve its production cost target.
How many different committees are possible : From a group of 8 women and 6 men, a committee consisting of 4 men and 3 women is to be formed. how many different committees are possible?
Compute the concentrations of all species : Calculate the concentrations of all species in a 1.75 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.

Reviews

Write a Review

Chemistry Questions & Answers

  Write the reaction, showing how much atp can be produced

Write the overall reaction, showing how much ATP (Adenosine tri phosphate) can be produced per pentose used also write an equation for the generation of NADPH using ribose as a sole source of carbon?

  Calculate the molar solubility of barium fluoride in water

Calculate the molar solubility of barium fluoride in water at 25 degrees celsius. The sp constant for BaF2 at this temperature is 1.0x10^-6.

  What are the longest and shortest wavelength photons

The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?

  Estimating the mass of a bolt without opening the bag

We have a nuts, bolts, and indirect measurement lab coming up. We'll get a bag of nuts/bolts and I need 2-3 methods on estimating the mass of a bolt without opening the bag. Thanks.

  Computation of empirical formulas

Meaning, use and calculation of empirical formulas, In this introduction are given the explanation of how to find out an empirical formula if one has found out the chemical elements of an unknown substance and measured their ratio of masses

  What mass of hcn and of h2o will be produced

If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?

  What is the total pressure inside the vessel at equilibrium

If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?

  State the extent of fragmentation for ionic compounds

The extent of fragmentation for ionic compounds can be derived by comparing the molality expected if no dissociation with what is actually obtained from experiment.

  Calculate the empirical and molecular formulae of a and b

Calculate the empirical and molecular formulae of A and B. Deduce the structural formulae of A and B. State the type isoerism exhibited by A and B.

  What is the density of the rock

If a piece of rock that has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL?

  Which element has the most atoms- neon oxygen selenium

Which element has the most atoms? 10 grams of neon, 16 grams of oxygen, 32 grams of selenium,

  State components of an acrylamide gel effects qualities

Which components of an acrylamide gel effects qualities of the final product, and which components affect the speed of polymerization?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd