Calculate the amount of energy produced by the conversion of 50.0 kg of
mass into energy. Use 3.00 x 10^8 m/s for the speed of light. Round to 3
significant digits. Which setup will solve this problem?
E = (50.0 kg)(3.00 x 10^8 m/s)
E = (50.0 kg)(3.00 x 10^8 m/s)^2
E = (50.0 kg)(3.00)(1 x 10^8 m/s)^2 - ANS ✓E= (50.0kg)(3.00 x 10^8 m/s)^2
The amount of energy released when 50.0 kg is converted into energy is -
ANS ✓4.50 x 10^18
A carbon-12 atom has a mass of 12.00000 amu. The mass of a proton is
1.00728 amu, and the mass of a neutron is 1.00866 amu.
How many protons does the carbon-12 atom have?
How many neutrons does the carbon-12 atom have?
What is the mass defect of a carbon-12 atom? Round to the 5 decimal place.
- ANS ✓6;
6;
0.09564
1
Nucleus (practice)
, Nucleus
A carbon-12 atom has a mass defect of 0.09564 amu. Which setup is used to
calculate nuclear binding energy?
0.09564 amu x (1.6606 x 10^-27 kg)/amu x (3.0 x 10^8)^2
0.09564 amu x 1 amu/(1.6606 x 10^-27 kg) x (3.0 x 10^8)^2
0.09564 amu x (3.0 x 10^8)^2
0.09564 amu x (1.6606 x 10^-27 kg)/amu x (3.0 x 10^8) - ANS ✓0.09564
amu x (1.6606 x 10^-27kg)/amu x (3.0 x 10^8)^2
A carbon-12 atom has a mass defect of 0.09564 amu.
What is its nuclear binding energy? Round to 3 significant figures. - ANS
✓1.43 x 10^-11 J per carbon-12 atom
Calculate the mass defect and the nuclear binding energy of nitrogen-
14.The mass of a proton is 1.00728 amu, and the mass of a neutron is
1.00866 amu.The mass of a nitrogen-14 atom is 14.00307 amu.The mass
defect of nitrogen-14 is -----
The nuclear binding energy of one nitrogen-14 atom is---- - ANS ✓0.10851;
1.62 x 10^-11
the force that keeps the nucleons bound inside the nucleus of an atom - ANS
✓strong nuclear force
2
Nucleus (practice)
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