Explain what is the activity of the sample in curies

Assignment Help Chemistry

Reference no: EM13695570

Question- A sample of curium 243 were prepared with an activity of 3012 disintegrations per second. After 1 year the activity of the sample had declined to 2921 disintegrations per second.

a) What is the activity of the sample in curies, Ci, after one year?

b) What is the activity of the sample in Becquerels, Bq, after one year?

c) What is the half-life for the decay process?

d) How much of a 325.0 mg sample would be left after 50 years?

I need proficient help to solve the above problem

Reference no: EM13695570

Questions Cloud

What is the concentration of ni2 ions at equilibrium : Question- A 0.140-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium. Assume the formation constant *of Ni(NH3)62 is 5.5 × 108.

How many kilometers have you traveled : If you are at latitude 30 degrees and travel around the world (staying at the same latitude), how many kilometers have you traveled

Substances in the order of increasing entropy : Question- Arrange the subsequent substances in the order of increasing entropy at 25 degrees Celsius. HF(g), NaF(s), SiF4(g), SiH4(g), Al(s). Lowest to highest.

What is its speed at that time : A particle moves along the x-axis according to the equation x(t) = 2.0 + 3.0t2 - 1.0t3, where x is in meters and t is in seconds. What is its speed at that time

Explain what is the activity of the sample in curies : Question- A sample of curium 243 were prepared with an activity of 3012 disintegrations per second. After 1 year the activity of the sample had declined to 2921 disintegrations per second.

Evaluate the electric field strength : An electric dipole is formed from +1.3 nC charges spaced 2.0 mm apart. What is the electric field strength at the following points

Predict the decay process that will produce a stable nuclide : Question- Copper - 68 is an unstable radionuclide that lies above the band of stability. Predict the decay process that will produce a stable nuclide and write the balanced reaction for this process.

Find the time interval required for the proton : A proton moves at 5.00 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 9.00 103 N/C. Find the time interval required for the proton to travel 4.00 cm horizontally

Determine the magnification of the image : A thin convex lens has focal length 20 cm. An object is placed 40 cm from the lens. What is the magnification of the image

User Account

All Pages