Concept explainers
(a)
The mass difference
(a)
Answer to Problem 3SP
The mass difference
Explanation of Solution
Given info: The mass of
Write the expression for the mass difference for the reaction.
Here,
Substitute
Therefore, the mass difference between the reactants and products for the reaction is
Conclusion:
Thus, the mass difference
(b)
Energy unit corresponds to the mass difference.
(b)
Answer to Problem 3SP
The mass difference is equal to
Explanation of Solution
Given info: The unified mass is equal to
Write the mass-equivalence relation for the mass
Here,
Convert
Substitute
Conclusion:
Thus, the energy equivalent to that of mass difference between the reactants and products in the reaction
(c)
Whether energy calculated is released. Determine where it goes.
(c)
Answer to Problem 3SP
The energy is released in the reaction and the released energy transformed in the form of kinetic energy of the products.
Explanation of Solution
Fusion reaction is the reaction in which two hydrogen atoms combined together to form heavier nucleus.
Write the fusion reaction mentioned in the text book.
Here, the total mass of the reactants is less than the total mass of the products. This difference in the mass converts as energy and transform in the form of kinetic energy of the Helium and neutron.
Therefore according conservation of energy, total energy should be a constant and one form of energy can be converted into any other form of energy. In order to conserve the energy the neutron particle moves with more kinetic energy.
Conclusion:
Thus, energy is released in the reaction and it is in the form of kinetic energy of the products.
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Chapter 19 Solutions
Physics of Everyday Phenomena
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