Question:

27 The nuclear process that takes place in an atomic bomb or

Last updated: 5/14/2023

27 The nuclear process that takes place in an atomic bomb or

27 The nuclear process that takes place in an atomic bomb or in a nuclear reactor in a more controlled fashion is illustrated in the highly simplified diagram shown below In reality the splitting of U235 into the same parts each time is not realistic A B C 11 D U 235 Ba 141 Kr 92 In the diagram above energy is released when each uranium nucleus is split Which statement is true n The mass of the uranium is equal to the mass of Ba141 Kr92 and 2 neutrons The mass of the uranium is less than the mass of Ba141 Kr92 and 2 neutrons The mass of the uranium is more than the mass of Ba141 Kr92 and 2 neutrons The mass of the uranium is equal to the mass of Ba141 Kr92 and 3 neutrons

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Physical Chemistry
Nuclear chemistry
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Match the nuclear processes given in List I with the appropriate option s in List II List l List II P a decay 1 n p ratio increases Q B decay 2 n p ratio decreases R Positron decay 3 Proton converts into neutron S 7 ray emission 4 Neutron converts into proton 5 Energy is released The correct option is OP 1 5 Q 2 4 5 R 1 3 5 S5 O P 1 4 Q 1 5 R 2 3 5 S 1 5 OP 2 3 Q2 5 R 3 5 S 1 5 OP 1 5 Q 4 5 R 2 S 1 4 5
Physical Chemistry
Nuclear chemistry
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82 A sample of 338 when kept at 298 K in a closed vessel shows a decay and B decay to give 226 Pb After t hour the volume of gas collected in the vessel at 1 atm 273K is found to be 89 6 ml Then which of the following is are correct for the nuclear process and the products of the process Mass of Pb obtained in time t hour 103 mg If the temperature is increased by 10 C then the time taken for the same amount of gas to be produced will be less than t hours a particles show more ionisation power than 3 particles Oy radiations undergo no deviation while traveling through electric or magnetic fields
Physical Chemistry
Nuclear chemistry
82 A sample of 338 when kept at 298 K in a closed vessel shows a decay and B decay to give 226 Pb After t hour the volume of gas collected in the vessel at 1 atm 273K is found to be 89 6 ml Then which of the following is are correct for the nuclear process and the products of the process Mass of Pb obtained in time t hour 103 mg If the temperature is increased by 10 C then the time taken for the same amount of gas to be produced will be less than t hours a particles show more ionisation power than 3 particles Oy radiations undergo no deviation while traveling through electric or magnetic fields
Radioactive decay can be described by the following equation In A In Ao kt where Ao is the original amount of the substance A is the amount of the substance remainin after time t and k is a constant that is characteristic of the substance For the radioactive isotope cesium 129 k is 2 17 x 10 2 hours 1 If the original amount of cesium 129 in a sample is 50 5 mg how much cesium 129 remains after 34 6 hours have passed mg
Physical Chemistry
Nuclear chemistry
Radioactive decay can be described by the following equation In A In Ao kt where Ao is the original amount of the substance A is the amount of the substance remainin after time t and k is a constant that is characteristic of the substance For the radioactive isotope cesium 129 k is 2 17 x 10 2 hours 1 If the original amount of cesium 129 in a sample is 50 5 mg how much cesium 129 remains after 34 6 hours have passed mg
The failure of classical wave theory to account the distribution of energy in the spectrum of black bod radiation was due to the assumption that radiation energy is a continuous b discrete c a mixture of continuous and discrete d electromagnetic
Physical Chemistry
Nuclear chemistry
The failure of classical wave theory to account the distribution of energy in the spectrum of black bod radiation was due to the assumption that radiation energy is a continuous b discrete c a mixture of continuous and discrete d electromagnetic
A photon of 300 nm is absorbed by a gas and then emits two photons one photo has a wavelength 496 nm then the wavelength of second photon in nm is Question Type Single Correct Type 1 959 2 859 3 759
Physical Chemistry
Nuclear chemistry
A photon of 300 nm is absorbed by a gas and then emits two photons one photo has a wavelength 496 nm then the wavelength of second photon in nm is Question Type Single Correct Type 1 959 2 859 3 759
Read the graph given below and calculate the threshold frequency and work function for metal used in photoelectric effect from the graph of KE and frequency of incident radiation 3 8 cv T 1 2 ev KE of photoelectron frequency of incident radiation COF 21 10 34
Physical Chemistry
Nuclear chemistry
Read the graph given below and calculate the threshold frequency and work function for metal used in photoelectric effect from the graph of KE and frequency of incident radiation 3 8 cv T 1 2 ev KE of photoelectron frequency of incident radiation COF 21 10 34
For the following solution determine whether it is equilibrium and justify your choice If it is not use Le Chatelier s principle to predict and justify the results Would a ppt be expected to form if a solution is prepared from a mixture of 1 0 L of lead II nitrate solution that was 0 00010M was added to 1 0L of 1 4 10 3M in potassium sulfate is added to a solution that is 5 0 10 5M sodium chromate Would you expect a precipitate to form If so Justify
Physical Chemistry
Nuclear chemistry
For the following solution determine whether it is equilibrium and justify your choice If it is not use Le Chatelier s principle to predict and justify the results Would a ppt be expected to form if a solution is prepared from a mixture of 1 0 L of lead II nitrate solution that was 0 00010M was added to 1 0L of 1 4 10 3M in potassium sulfate is added to a solution that is 5 0 10 5M sodium chromate Would you expect a precipitate to form If so Justify
A closed vessel with rigid walls contains 1 2 mol of 23892U and 1 mol of air at 298 K Considering complete decay of 23892U to 20682Pb the ratio of the final pressure to the initial pressure of the system at 298 K is uestion Type Numerical Type
Physical Chemistry
Nuclear chemistry
A closed vessel with rigid walls contains 1 2 mol of 23892U and 1 mol of air at 298 K Considering complete decay of 23892U to 20682Pb the ratio of the final pressure to the initial pressure of the system at 298 K is uestion Type Numerical Type
the photon strikes the electron the impact changes its position and velocity both According to the principle of optics the accuracy with which the position of a particle can be ascertained depends on the wavelength of light used i e uncertainty in position is It shows that shorter the wavelength greater is the accuracy in position But a radiation that has a short wavelength is very energetic in nature When a photon of high energy strikes the electron the impact causes a change in the velocity and
Physical Chemistry
Nuclear chemistry
the photon strikes the electron the impact changes its position and velocity both According to the principle of optics the accuracy with which the position of a particle can be ascertained depends on the wavelength of light used i e uncertainty in position is It shows that shorter the wavelength greater is the accuracy in position But a radiation that has a short wavelength is very energetic in nature When a photon of high energy strikes the electron the impact causes a change in the velocity and