COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135729458
Author: Bennett
Publisher: PEARSON
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Question
Chapter 14, Problem 46EAP
To determine
To Discuss: Ways to identify that the fusion reactions have stopped within the sun.
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How and why does nuclear fusion happens
The 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)
ELABORATE & EVALUATE
Activity 5:
Nuclear Fission and Fusion
Self-Assessment No. 5
1. From your understanding of nuclear fission, explain how an atomic bomb works.
2. Why do heavy elements such as uranium undergo fission while light elements such as
hydrogen and lithium undergo fusion?
3. What are the advantages of a fusion reactor over a fission reactor? What are the
practical difficulties in operating large-scale fusion reactor?
To be submitted in Google classroom on:
Chapter 14 Solutions
COSMIC PERSPECTIVE
Ch. 14 - Prob. 1VSCCh. 14 - Prob. 2VSCCh. 14 - Prob. 3VSCCh. 14 - Prob. 1EAPCh. 14 - Prob. 2EAPCh. 14 - Prob. 3EAPCh. 14 - Prob. 4EAPCh. 14 - Prob. 5EAPCh. 14 - Prob. 6EAPCh. 14 - Prob. 7EAP
Ch. 14 - Prob. 8EAPCh. 14 - Prob. 9EAPCh. 14 - Prob. 10EAPCh. 14 - Prob. 11EAPCh. 14 - What are neutrinos? What was the solar neutrino...Ch. 14 - Prob. 13EAPCh. 14 - Prob. 14EAPCh. 14 - Prob. 15EAPCh. 14 - Prob. 16EAPCh. 14 - Prob. 17EAPCh. 14 - Prob. 18EAPCh. 14 - Prob. 19EAPCh. 14 - Prob. 20EAPCh. 14 - Prob. 21EAPCh. 14 - Prob. 22EAPCh. 14 - Prob. 23EAPCh. 14 - Prob. 24EAPCh. 14 - Prob. 25EAPCh. 14 - Prob. 26EAPCh. 14 - Prob. 27EAPCh. 14 - Prob. 28EAPCh. 14 - Prob. 29EAPCh. 14 - Prob. 30EAPCh. 14 - Prob. 31EAPCh. 14 - Prob. 32EAPCh. 14 - Prob. 33EAPCh. 14 - Prob. 34EAPCh. 14 - Prob. 35EAPCh. 14 - Prob. 36EAPCh. 14 - Prob. 37EAPCh. 14 - Prob. 38EAPCh. 14 - Prob. 40EAPCh. 14 - Prob. 41EAPCh. 14 - Prob. 42EAPCh. 14 - Prob. 44EAPCh. 14 - Prob. 45EAPCh. 14 - Prob. 46EAPCh. 14 - Prob. 47EAPCh. 14 - Prob. 48EAPCh. 14 - Prob. 49EAPCh. 14 - Solar Energy Output. Observations over the past...Ch. 14 - Prob. 51EAPCh. 14 - Prob. 52EAPCh. 14 - Prob. 54EAPCh. 14 - Prob. 55EAPCh. 14 - Prob. 56EAPCh. 14 - Prob. 57EAPCh. 14 - Solar Power for the United States. Total annual...Ch. 14 - Prob. 59EAPCh. 14 - The Color of a Sunspot. Use Wien’s law (see...Ch. 14 - Prob. 61EAPCh. 14 - Prob. 62EAPCh. 14 - Tire Pressure. Air pressure at sea level is about...Ch. 14 - Personal Energy Content. The average power of a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Based on what you learned about the source of stellar energy and how stars make energy, select all of the correct statements from the following list. 1. Many stars make energy with the proton-proton cycle. 2. The CNO cycle is more efficient than the proton-proton cycle. 3. The sun's energy comes from the CNO cycle.More massive stars make energy with the proton-proton cycle. 4. The leftover mass in both the proton-proton cycle and the CNO cycle is converted to energy. 5. A helium atom is more massive than four hydrogen atoms. 6. The CNO cycle requires a higher temperature than the proton-proton cycle.arrow_forwardStudying neutrinos helped to explain how our Sun works but led to changes in theories of particle physics. How is this process consistent with the scientific process? How can details about a theory be adjusted without undermining other discoveries made through the theory’s predictions?arrow_forwardhi. The question is fully explained in the upload photos.arrow_forward
- Do neutrinos have mass? Describe how the answer to this question has changed over time and why.arrow_forwardWhat is a biomarker? Give some possible examples of biomarkers we might look for beyond the solar system.arrow_forwardStatus of Sun's core and its temperature (The letters correspond to the stages in Figure 21.1.) 3. Stage A: T10 million K. Sun is in equilibrium. 4. Stage B: T 100 million K Core collapse stops. 5. Stage C: Helium flash 6. Stage D: T 100 million K. Sun is in equilibrium. 7. Stage E: T800 million K. Core collapse stops. If fusion is occurring in core or in shell around the core, mark with a ✔in the correct column. Core fusion H to He FUSION ✓ Core fusion He to C Shell fusion H to He Shell fusion He to C PRESSURE VERSUS GRAVITY CORE • REST OF THE STAR Pressure comes from electron degeneracy Pressure Gravity Gravity Pressure region contracts and heats Pressure > Gravity region expands and coolsarrow_forward
- Why does the Sun not collapse under its enormous weight? a) The Sun is about 4.6 billion years old. If it could have collapsed by now , it would have. b) Because the Sun is in hydrostatic equilibrium. c) Because the Sun is not in hydrostatic equilibrium. d)More than one of the above.arrow_forwardWhy was the detection of solar neutrinos important? a) They have been suggested as an important source of solar energy. b) They provide direct evidence for solar oscillations. c) The provide direct evidence for the proton-proton chain. Where does nuclear energy production (fusion) occur in the Sun? a) In the nuclear zone b) In all layers of the Sun c) In the photosphere d) In the corearrow_forwardDefine the activity of a radionuclide. Write its S.I. unit. Give a plot of the activity of a radioactive species versus time. How long will a radioactive isotope, whose half life is T years, take for its activity to reduce to 1/8th of its initial value?arrow_forward
- Order the following statements so that they make sense according to star birth stages 1.At this stage, energy moves to the surface primarily through convection. At the end of this stage, the photosphere's temperature can reach 3,000K 2.In this stage, nuclear fusion starts and the energy transport mechanism switches from convection to radiative diffusion 3.In this stage, nuclear fusion rate is high enough to balance out the rate of radiative energy escape the surface 4.During this stage, gravitational contraction causes its luminosity to decrease because the protostar gets smaller while its surface temperature stays the samearrow_forwardThrough nuclear fusion reaction, the Sun and stars produce energy. True or false?arrow_forwardWhat is the name of the specific nuclear fusion process that dominates energy production in the core of the Sun and gives a brief description of how it works. What I'm looking for in this description is what is the basic premise behind nuclear fusion and what is going into this specific fusion reaction and what comes out of it.arrow_forward
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