Americium-241 (mass 241.056823 u) decays via alpha decay (alpha particles mass: 4.002602 u) into Neptunium-237 (mass...
Americium-241 (mass 241.056823 u) decays via alpha decay (alpha particles mass: 4.002602 u) into Neptunium-237 (mass 237.04181734 u) at a rate of 1 decay per second per particles. How much power is generated by the spontoneous decay of 1 kg Am-241?.
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Americium-241 (mass 241.056823 u) decays via alpha decay (alpha
particles mass: 4.002602 u) into Neptunium-237 (mass...
Americium-241 is a radioactive isotope that emits alpha particles. The rate constant for this radioactive decay...
Americium-241 is a radioactive isotope that emits alpha particles. The rate constant for this radioactive decay is 1.47 x 10-3 per year. a. What is the half-life for the decay of americium-241? b. How long will it take for 45.0% of the americium to decay?
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of...
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 44.0 % of an Am-241 sample to decay?
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of...
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 32.0 % of an Am-241 sample to decay? Express your answer numerically in years.
The radioactive atom 241/95 Am decays by alpha particle emission. Write a reaction showing the decay....
The radioactive atom 241/95 Am decays by alpha particle emission. Write a reaction showing the decay. (2 points) The radioactive atom 110/46Pd decays by emitting a beta particle. Write a reaction showing the decay.
Could someone help me with question 2a) and also help with b), I can do 2b)...
Could someone help me with question 2a) and also help with b), I
can do 2b) but I am wondering when do I use Ap = 0 or +/-11.2. Many
thanks in advance.
Q.2 Answer all parts. (a) Explain the origin and mathematical form of each term in the Weizslicker semi-empirical mass formula for the binding energy, B, of a nucleus, Le. Z(Z-1) (A-2Z B- +a, A - a A where A is the atomic mass number of the nucleus...
Assuming that each atom that decays emits one alpha particle, how many alpha particles are emitted...
Assuming that each atom that decays emits one alpha particle, how many alpha particles are emitted per minute by a 0.00304-g sample of 226Ra that is free from its decay products? The half-life of 226Ra is 1.60×103 y and the mass of a 226Ra atom is 226.025 u.
(d) Due to alpha decay, l mole of uranium-238 produces 2.96 106 alpha particles per second. Find the half-life, giving...
(d) Due to alpha decay, l mole of uranium-238 produces 2.96 106 alpha particles per second. Find the half-life, giving your answer in units of years. [5 marks] (e) The average mass of the atoms in a 0.100 kg block of pure carbon is 12.01 u. A small fraction of the atoms are radioactive, with a decay constant of 3.90 x 10-12s. If the activity of the carbon block is 97.8 Bq, calculate what fraction of the atoms are radioactive...
life it i Assuming that each atom that decays emits one a pha particle, how many alpha particles are emitted per minute by a and the mass of a 146Sm atom is 145.913 u 0 436-g sample of Sm ha s rom it...
life it i Assuming that each atom that decays emits one a pha particle, how many alpha particles are emitted per minute by a and the mass of a 146Sm atom is 145.913 u 0 436-g sample of Sm ha s rom its mis a products he a alpha particles min1
life it i Assuming that each atom that decays emits one a pha particle, how many alpha particles are emitted per minute by a and the mass of a...
A thorium atom of mass 232.038 u decays by the emission of an alpha particle to...
A thorium atom of mass 232.038 u decays by the emission of an alpha particle to a radium atom of mass 228.031 u. If the alpha particle has a mass of 4.0026 u, how much energy in J is released in the process? (Answer is 6.56 x 10^-13 J)
1. The decay series shown below proceeds through a series of alpha and beta decays. How many...
1. The decay series shown below proceeds through a series of alpha and beta decays. How many of each occur in the process? 238/92U --> 206/82Pb 8 alpha particles and 4 beta particles 4 alpha particles and 4 beta particles 8 alpha particles and 6 beta particles 6 alpha particles and 8 beta particles 2. Determine the pH of a 0.05 M HCN solution (Ka = 6.2x10-10). 8.75 5.25 1.30 7
Could someone help me with question 2a) and also help with b), I
can do 2b) but I am wondering when do I use Ap = 0 or +/-11.2. Many
thanks in advance.
Q.2 Answer all parts. (a) Explain the origin and mathematical form of each term in the Weizslicker semi-empirical mass formula for the binding energy, B, of a nucleus, Le. Z(Z-1) (A-2Z B- +a, A - a A where A is the atomic mass number of the nucleus...
(d) Due to alpha decay, l mole of uranium-238 produces 2.96 106 alpha particles per second. Find the half-life, giving your answer in units of years. [5 marks] (e) The average mass of the atoms in a 0.100 kg block of pure carbon is 12.01 u. A small fraction of the atoms are radioactive, with a decay constant of 3.90 x 10-12s. If the activity of the carbon block is 97.8 Bq, calculate what fraction of the atoms are radioactive...
life it i Assuming that each atom that decays emits one a pha particle, how many alpha particles are emitted per minute by a and the mass of a 146Sm atom is 145.913 u 0 436-g sample of Sm ha s rom its mis a products he a alpha particles min1
life it i Assuming that each atom that decays emits one a pha particle, how many alpha particles are emitted per minute by a and the mass of a...
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