The half-life of u-235 an alpha emitter is 71108
The half-life of U-235, an alpha emitter, is 7.1*10^8 yr.Calculate the number of alpha particles emitted by 9.1 mg of this nuclide in 8.0 minutes.
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If the electron affinity for an element is a negative number does it mean that the anion of the element is more stable than the neutral atom. Explain
What are the roles executives need to play in managing the use of IT?
Determine the number of coulombs of charge produced by a 12 A battery charger in an hour. A lightning bolt carrying 20,000 A lasts for 70*10^-6 s. If the lightning strikes a tractor, determine the charge deposited on the tractor if the tires are a
70 grams of water at 85°C are mixed with an equal amount of water at 15°C in a completely insulated container. How much heat is gained by the cold water
What is the best way to develop, introduce, regulate, provide access, and pay for new health technologies in the 21st century?
Increasingly, organisations are using computer-based tools for contracting, tendering, and procuring to meet project deliverable requirements.
Explain how health is affected by behaviors, economics, and social structure.
When a guitar string is sounded along with a 439 Hz tuning fork, a beat frequency of 2.00 Hz is heard. What is the frequency of the string
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