Concept explainers
(a)
The complete nuclear reaction equation
S 21 46 c ∗ → S 21 46 c + _ _ _
.
(a)
Answer to Problem 5E
Explanation of Solution
Total mass number of reactant is
Total atomic number of reactant is
Gamma rays have atomic number
Conclusion:
Therefore, the complete nuclear reaction equation is
(b)
The complete nucler reaction equation
T 90 232 h → _ _ _ + H 2 4 e
.
(b)
Answer to Problem 5E
Explanation of Solution
Alpha decay is disintegration of heavy nucleus into lighter nucleus with emission of alpha particles or helium particles to stabilise itself.
Total mass number of reactant is shown as
Total atomic number of reactant is shown as
The atom with atomic number
Conclusion:
Therefore, the complete nuclear reaction equation
(c)
The complete nuclear reaction equation
S 21 47 c → T 22 47 i + _ _ _
.
(c)
Answer to Problem 5E
Explanation of Solution
Betadecay is disintegration of heavy nucleus into lighter nucleus with emission of beta particles or electrons to stabilise itself.
Total mass number of reactant is shown as
Total atomic number of reactant is shown as
Electrons are assigned a atomic number of
Conclusion:
Therefore, the complete nuclear reaction equation is
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Chapter 10 Solutions
An Introduction to Physical Science
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- Derive an approximate relationship between the energy of (decay and halflife using the following data. It may be useful to graph the leg t1/2 against Ea to find some straightline relationship. Table 31.3 Energy and HalfLife for (Decay Nuclide E( (MeV) t1/2 216Ra 9.5 0.18 (s 194Po 7.0 0.7 s 240Cm 6.4 27 d 226Ra 4.91 1600 y 232Th 4.1 1.41010yarrow_forwardA rare decay mode has been observed in which 222Ra emits a 14C nucleus. (a) The decay equation is 222RaAX+14C. Identify the nuclide AX. (b) Find the energy emitted in the decay. The mass of 222Ra is 222.015353 u.arrow_forwardA rare decay mode has been observed in which 222Raemits a 14C nucleus. (a) The decay equation is 222RaAX+14C . Identify the nuclide AX. (b) Find the energy emitted in the decay. The mass of 222Ra is 222.015353 u.arrow_forward
- (a) Calculate BE/A for 235U, the rarer of the two most common uranium isotopes. (b) Calculate BE/A for 238U. (Most of uranium is 238U.) Note that 238U has even numbers at both protons and neutrons. Is the BE/A of 238U significantly different from that of 235U?arrow_forward(a) Write the decay equation for the decay of 235U. (b) What energy is released in this decay? The mass of the daughter nuclide is 231.036298 u. (c) Assuming the residual nucleus is formed in its ground state, how much energy goes to the particle?arrow_forward
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