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24 Sep 2019

Nuclear fusion of hydrogen into helium occurs in the

 

A) Hydrogen bombs

B)Nuclear power plants

C)Nuclear weapons

D)Sun and other stars

 

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Casey Durgan
Casey DurganLv2
2 Aug 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

On the main sequence, stars obtain their energy

A) from chemical reactions.

B) from gravitational contraction.

C) by converting hydrogen to helium.

D) by converting helium to carbon, nitrogen, and oxygen.

E) from nuclear fission

 

When a star has exausted its hydrogen fuel, it may fuse other nuclear fuels. At temperatures above , helium fusion can occur. Write the equations for the following process, (a) Two alpha particles fuse to produce a nuclear A and a gamma ray. What is nuclear A (b) Nucleus A absorbs an alpha particle to produce a nuclear B and a gamma ray. What is nucleus B? (c) Find the total energy released in the reactions given in parts (a) and (b).

Note: The mass of  

The sun, like all stars, releases energy through nuclear fusion. Inthis problem, you will find the total number of fusion reactionevents that occur inside the sun every second. You will beconsidering the proton-proton chain, in which four hydrogen nucleiare converted into a helium nucleus and two positrons. The netreaction for the proton-proton chain is
4H--->He +2 beta plus

To find the energy released by this reaction, you will need thefollowing mass data:

mass of

and
mass of .

Using the masses of the neutral atoms in your calculation accountsfor the energy released by the annihilation of the positrons withelectrons, so you can work this problem without reference to thepositrons or their rest mass.

What is the total energy released in a single fusion reaction eventfor the equation given in the problem introduction? Use .

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