49. In the later stages of stellar evolution, a star (if massive enough) will begin fusing carbon nuclei to form, for example, magnesium: ¹2c + ¹2C → Mg + Y. (a) How much energy is released in this reaction (see Appendix F)? (b) How much kinetic energy must each carbon nucleus have (assume equal) in a head-on collision if they are just to "touch" (use Eq. 41-1) so that the strong force can come into play? (c) What temperature does this kinetic energy correspond to?

Applications and Investigations in Earth Science (9th Edition)
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ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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49. In the later stages of stellar evolution, a star (if massive
enough) will begin fusing carbon nuclei to form, for
example, magnesium:
¹2c + ¹2CMg + Y.
(a) How much energy is released in this reaction (see
Appendix F)? (b) How much kinetic energy must each
carbon nucleus have (assume equal) in a head-on collision if
they are just to "touch" (use Eq. 41-1) so that the strong
force can come into play? (c) What temperature does this
kinetic energy correspond to?
Transcribed Image Text:49. In the later stages of stellar evolution, a star (if massive enough) will begin fusing carbon nuclei to form, for example, magnesium: ¹2c + ¹2CMg + Y. (a) How much energy is released in this reaction (see Appendix F)? (b) How much kinetic energy must each carbon nucleus have (assume equal) in a head-on collision if they are just to "touch" (use Eq. 41-1) so that the strong force can come into play? (c) What temperature does this kinetic energy correspond to?
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