Thursday

April 24, 2014

April 24, 2014

Posted by **john ergent help pleaseeeeeeeeeeeeeeeeeee?** on Saturday, April 20, 2013 at 5:45pm.

of neon (20/10Ne ) with the emission of an α-particle. Write an equation for

this process, indicating the atomic number and mass number of each of

the products in the usual way.

(b) Another reaction involving carbon-12 in stars is one in which a

carbon-12 nucleus fuses with a hydrogen nucleus (atomic mass of 1) to

form a nucleus of nitrogen, releasing 1.95 MeV in the process.

Write down the equation for this process, and using values for the

binding energy of the hydrogen and carbon-12 nuclei of 0 MeV and

–92.2 MeV respectively, calculate the binding energy of the nitrogen

nucleus. (Show all your working.)

(c) Convert the energy liberated in the reaction in part (b) into the

equivalent amount of energy in joules, and then calculate the amount of

mass that has been converted into energy as a result of this process.

Using SI units throughout show that the units for the mass are

kilograms.

(Express your answers in scientific notation to an appropriate number of

significant figures.)

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