The Q value for alpha decay of 239Pu is 5.25MeV. Given the 94 masses of the...
The Q value for alpha decay of 239Pu is 5.25MeV. Given the 94 masses of the 239Pu and 4He atoms, 239.052175 AMU and 4.002603 AMU, calculate the mass of the 235U atom in AMU.
Answer should be 235.0439 AMU
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The Q value for alpha decay of 239Pu is 5.25MeV. Given the 94
masses of the...
Large radionuclides emit an alpha particle rather than other combinations of nucleons because the alpha particle...
Large radionuclides emit an alpha particle rather than other combinations of nucleons because the alpha particle has such a stable, tightly bound structure. To confirm this statement, calculate the disintegration energies for these hypothetical decay processes and discuss the meaning of your findings: (a)235U -> 232Th + 3He (b)235U -> 231Th + 4He (c)235U -> 230Th + 5He Needed masses: 235U : 235.0439 u, 232Th: 232.0381 u, 231Th: 231.0363 u, 230Th: 230.0331 u, 3He: 3.0160 u, 4He: 4.0026 u, 5He:...
When a stationary plutonium-239, 239/94 Pu, decays into uranium-235 plus an alpha particle, the energy released...
When a stationary plutonium-239, 239/94 Pu, decays into uranium-235 plus an alpha particle, the energy released in the process is 5.24 MeV. The following masses are known: 4/2 He: 4.002603 u 235/92 U: 235.043924 u What is the mass of the 239/94 Pu nucleus, in amu? (1 u = 931.494 MeV/c2)
4. What sort of decay would you predict for l-130? (alpha, beta, positron) 5. Calculate the...
4. What sort of decay would you predict for l-130? (alpha, beta, positron) 5. Calculate the quantity of energy released neutron into barium-142 and krypton- culate the quantity of energy released when one atom of uranium-235 is split by the impact of a into barium-142 and krypton-92 releasing one additional neutron. Then calculate the antity of energy released when one gram of uranium-235 undergoes fission in the same way. 23U + In Ba + % Kr + 2n Atomic masses:...
Precise measurements give the following masses: particle mass nuclide mass on 1.0086649 u 239pu 239.0522 u 94 e...
Precise measurements give the following masses: particle mass nuclide mass on 1.0086649 u 239pu 239.0522 u 94 e 5.4858 x 10-4u 2daPu 241.0569 u e 5.4858 x 104 Now consider the following nuclear reaction: 239 94 O released O absorbed Is energy released,or absorbed by this reaction? O neither released nor absorbed O I need more information to decide. If you said energy was released or absorbed, calculate how much energy is released or absorbed. Give your answer in both...
Determine the Q-value in kJ/mole reaction for this nuclear reaction. Is this reaction endergonic or exergonic?...
Determine the Q-value in kJ/mole reaction for this nuclear reaction. Is this reaction endergonic or exergonic? Measured masses of the nuclei are N 14.00307 amu, 4He 4.00260 amu,o 16.99913 amu, and H 1.00783 amu. O A +1.16x108 kJ/mole reaction;exergonic B -1.16x108 kJ/mole reaction; exergonic Oc+1.16x108 kJ/mole reaction; endergonic +1.93x10-18 kJ/mole reaction; endergonic O D OHide Correct Answer Show Submitted Answer Check My Answer Q13.37 Review Determine the Q-value in kJ/mole reaction for this nuclear reaction: 12 Measured masses of the...
(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...
calculate the speed to which a stationary 4He atom (mass 4.0026 g/mol) would be accelerated if...
calculate the speed to which a stationary 4He atom (mass 4.0026 g/mol) would be accelerated if it absorbed a photon of 200nm (ultraviolet). Please enter your answer (m/s) with 3 significant figures Hint: one 4He atom gains the energy of a photon. note: the mass given is for 1 mole of atoms; also, the SI unit for mass should be kg.
Nuclear Physics - Alpha Decay a - decay After Before a Parent Daughter 4P→ D +...
Nuclear Physics - Alpha Decay a - decay After Before a Parent Daughter 4P→ D + He Z A plutonium Pu nucleus (94 protons, 239 nucleons) go through an a - decay. (a) Find the number of protons and the number of nucleons in the Daughter nucleus. Enter the number of protons in the first box, and number of nucleons in the 2nd box. Enter a number Submit (5 attempts remaining) Enter a number Submit (5 attempts remaining) The relevant...
Q a)An 83.0–kg man receives an effective dose of 2.40 mSv/year from constant exposure to 226Ra. Each 226Ra decay emits a 4.80–MeV α particle with an RBE of 20. How many alpha particles does he absorb...
Q a)An 83.0–kg man receives an effective dose of 2.40 mSv/year from constant exposure to 226Ra. Each 226Ra decay emits a 4.80–MeV α particle with an RBE of 20. How many alpha particles does he absorb each year? b)Calculate the mass of 226Ra needed to generate the alpha particles in problem above
thx 29. Using the exact masses given below, calculate the amount of energy released (in J)...
thx
29. Using the exact masses given below, calculate the amount of energy released (in J) when one mole of 90sr decays by B decay. 90 (89.907152 amu) 9r (89.907738 amu) B particle (0.000548 amu) B) 4.3 x 108 C) 1.3 x 1010 E) 5.8 x 109 A) 5.3 x 1010 D) 8.8 x 108 30. A certain complex ion has a A (crystal field splitting) of 240 kJ/mol. What wavelength should correspond to an absorbance peak in the spectrum...
4. What sort of decay would you predict for l-130? (alpha, beta, positron) 5. Calculate the quantity of energy released neutron into barium-142 and krypton- culate the quantity of energy released when one atom of uranium-235 is split by the impact of a into barium-142 and krypton-92 releasing one additional neutron. Then calculate the antity of energy released when one gram of uranium-235 undergoes fission in the same way. 23U + In Ba + % Kr + 2n Atomic masses:...
Precise measurements give the following masses: particle mass nuclide mass on 1.0086649 u 239pu 239.0522 u 94 e 5.4858 x 10-4u 2daPu 241.0569 u e 5.4858 x 104 Now consider the following nuclear reaction: 239 94 O released O absorbed Is energy released,or absorbed by this reaction? O neither released nor absorbed O I need more information to decide. If you said energy was released or absorbed, calculate how much energy is released or absorbed. Give your answer in both...
Determine the Q-value in kJ/mole reaction for this nuclear reaction. Is this reaction endergonic or exergonic? Measured masses of the nuclei are N 14.00307 amu, 4He 4.00260 amu,o 16.99913 amu, and H 1.00783 amu. O A +1.16x108 kJ/mole reaction;exergonic B -1.16x108 kJ/mole reaction; exergonic Oc+1.16x108 kJ/mole reaction; endergonic +1.93x10-18 kJ/mole reaction; endergonic O D OHide Correct Answer Show Submitted Answer Check My Answer Q13.37 Review Determine the Q-value in kJ/mole reaction for this nuclear reaction: 12 Measured masses of the...
(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...
Nuclear Physics - Alpha Decay a - decay After Before a Parent Daughter 4P→ D + He Z A plutonium Pu nucleus (94 protons, 239 nucleons) go through an a - decay. (a) Find the number of protons and the number of nucleons in the Daughter nucleus. Enter the number of protons in the first box, and number of nucleons in the 2nd box. Enter a number Submit (5 attempts remaining) Enter a number Submit (5 attempts remaining) The relevant...
thx
29. Using the exact masses given below, calculate the amount of energy released (in J) when one mole of 90sr decays by B decay. 90 (89.907152 amu) 9r (89.907738 amu) B particle (0.000548 amu) B) 4.3 x 108 C) 1.3 x 1010 E) 5.8 x 109 A) 5.3 x 1010 D) 8.8 x 108 30. A certain complex ion has a A (crystal field splitting) of 240 kJ/mol. What wavelength should correspond to an absorbance peak in the spectrum...
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