anonymous
  • anonymous
proton help
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
is that Co like Cobalt?
anonymous
  • anonymous
this is what i have so far The mass defect of a nucleus would be 0.56342 amu. The mass defect in kilograms is 9.355 × 10-28 kilograms.
anonymous
  • anonymous
Yes Co as in colbalt

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anonymous
  • anonymous
I just need help on What is the energy equivalent of this mass in kilojoules?
anonymous
  • anonymous
calculate the mass of cobalt due to protons and neutrons. Subtract the mass you get from 59.9338 . The remaining mass is mass defect (in amu). Convert this to kg For energy equivalent. Multiply the mass defect you get by 931.5 MeV to get your answer
anonymous
  • anonymous
The mass defect of a nucleus would be 0.56342 amu. The mass defect in kilograms is 9.355 × 10-28 kilograms. ^ am i correct?
anonymous
  • anonymous
931.5 MeV is the answer for energy equivalent.????
anonymous
  • anonymous
Nope. (Mass defect * 931.5 MeV) is the answer for energy equivalent.
anonymous
  • anonymous
okay
anonymous
  • anonymous
After you have done that. 1MeV = 10^6 eV = 1.6 *10^(-13) J
anonymous
  • anonymous
0.56342 x 931.5 = ?
anonymous
  • anonymous
is that how it should be?
anonymous
  • anonymous
0.56342 x 931.5 x 1.6 *10^(-13)
anonymous
  • anonymous
This is to get the answer in joules
anonymous
  • anonymous
8.39721168 × 10^-11?
anonymous
  • anonymous
is that the answer?
anonymous
  • anonymous
energy equivalent of this mass in joules = 8.39721168 × 10^-11 J Therefore What is the energy equivalent of this mass in kilojoules?
anonymous
  • anonymous
Im really confused..
anonymous
  • anonymous
1 kilojoules = 10^3 joules Now try :)
anonymous
  • anonymous
ok
anonymous
  • anonymous
8.39721168 × 10^-14
anonymous
  • anonymous
@Hayatcakes , you are right
anonymous
  • anonymous
But make sure you always write the units while writing the answer

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