Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 1RQ
Why does helium fusion require a higher temperature than hydrogen fusion?
Expert Solution & Answer
To determine
Why helium fusion requires a higher temperature than hydrogen fusion.
Answer to Problem 1RQ
The energy required for helium fusion is much higher than what is required for hydrogen fusion.
Explanation of Solution
Hydrogen has one proton in its nucleus whereas helium has two.
Protons are positively charged particles.
During fusion, two nuclei (or more) combine together to form a heavier nucleus.
Therefore, positive charges are brought together during fusion and bound into a single nucleus.
But, like charges repel. To hold them together, a large amount of energy is required.
Fusion of two hydrogen atoms involves binding two protons while helium fusion involves bringing together four protons.
Since the number of protons to be bound in helium fusion is more than that in hydrogen fusion, much more energy is required for this reaction to take place.
Therefore, helium fusion requires a higher temperature than hydrogen fusion.
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Chapter 10 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 10 - Why does helium fusion require a higher...Ch. 10 - Prob. 2RQCh. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - Prob. 5RQCh. 10 - Prob. 6RQCh. 10 - Prob. 7RQCh. 10 - Prob. 8RQCh. 10 - Prob. 9RQCh. 10 - Prob. 10RQ
Ch. 10 - Prob. 11RQCh. 10 - How can you explain the Algol paradox?Ch. 10 - Prob. 13RQCh. 10 - Prob. 14RQCh. 10 - Prob. 15RQCh. 10 - Prob. 16RQCh. 10 - Prob. 1DQCh. 10 - Prob. 2DQCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 1LTLCh. 10 - Prob. 2LTLCh. 10 - Prob. 3LTL
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