UNDERSTANDING THE UNIVERSE(LL)-W/CODE
3rd Edition
ISBN: 9780393869903
Author: PALEN
Publisher: NORTON
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Chapter 11, Problem 2QAP
To determine
Whether the statement is true or false.
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Nucleosynthesis talks about creation of new elements from existing nuclei. Explain briefly how the helium nucleus was formed.
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Multiple Choice
During the intermediate step of solar nuclear fusion
a. 1 deuterium fuse with 1 proton making helium-3
b. 2 protons fuse together making helium-3
c. 2 deuterium nuclei fuse together making helium-3
d. 1 deuterium fuse with 1 proton making helium-4
Chapter 11 Solutions
UNDERSTANDING THE UNIVERSE(LL)-W/CODE
Ch. 11.1 - Prob. 11.1CYUCh. 11.2 - Prob. 11.2CYUCh. 11.3 - Prob. 11.3CYUCh. 11.4 - Prob. 11.4CYUCh. 11 - Prob. 1QAPCh. 11 - Prob. 2QAPCh. 11 - Prob. 3QAPCh. 11 - Prob. 4QAPCh. 11 - Prob. 5QAPCh. 11 - Prob. 6QAP
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- Which formed first: hydrogen nuclei or hydrogen atoms? Explain the sequence of events that led to each.arrow_forwardWhat conditions are required before proton-proton chain fusion can start in the Sun?arrow_forwardWhat is a biomarker? Give some possible examples of biomarkers we might look for beyond the solar system.arrow_forward
- Add a fourth column to Table 13-1 and write in the atomic mass for each rows fuel element (see Appendix Table A-14). Review the curve of binding energy, Figure 8-15. Explain the trend of fusion time versus fuel atomic mass.arrow_forward.Explain proton-proton cycle of the energy production in stars using appropriate fusionreactions and schematic figures.arrow_forwardEven though neutral hydrogen is the most abundant element in interstellar matter, it was detected first with a telescope, not a visible light telescope. Explain why.arrow_forward
- Hydrostatic Equilibrium replies on which of the following to happen? (choose all that apply) Internal pressure from fusion to push out. The outward pull of gravity from the Sun O Gravity to pull inwards. The fusion of Helium into Carbon The start of the CNO Cycle in stars.arrow_forwardThe sun’s energy comes from nuclear reactions that fuse lighter nuclei into heavier ones, releasing energy in the process. The solar fusion process begins when two protons (the nuclei of hydrogen atoms) merge to produce a deuterium nucleus. Deuterium is the “heavy” isotope of hydrogen, with a nucleus consisting of a proton and a neutron. To become deuterium, one of the protons that fused has to turn into a neutron. Our interest for now lies not with the nuclear physics but with the conditions that allow fusion to occur. Before two protons can fuse, they must come into contact. However, the energy required to bring two protons into contact is considerable because the electric potential energy of the two protons increases rapidly as they approach each other. Fusion occurs in the core of the sun because the ultra-high temperature there gives the protons the kinetic energy they need to come together. a. A proton…arrow_forwardGive an example of a charged subatomic particle and a neutral subatomic particle discussed in this chapter.arrow_forward
- Describe how energy makes its way from the nuclear core of the Sun to the atmosphere. Include the name of each layer and how energy moves through the layer.arrow_forwardThe energy-releasing nuclear fusion reactions in the Sun are illustrated below. Which choice below best describes the last reaction of the series? He He Pratan Y Ganmaay Не Nan V Ptran 1-H and 1-H fusing to form a 2-Hh O 2-H and 1-H fusing to form a 3-He 3-He and 3-He fusing together to form 4-He (and re-releasing two 1-H)arrow_forwardThe sun will eventually cease fusing nuclei in it interior and will then be dead what general term is used to describe dead but still illuminus stars when the star becomes such a star name two kinds of of nuclei that are expected to dominate its core as a result of the nuclear fusion that has taken place prior to its deatharrow_forward
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