Chemistry Homework Help

Browse Homework Solutions

67 solutions

Mass Defect

Q. Calculate the binding energy per nucleon of the helium nucleus 5-He. Express your answer in millions of electron volts to four significant figures.

Solved • Apr 6, 2020

Mass Defect

Q. Calculate the binding energy E of the helium nucleus 5-He (1 eV = 1.602 x 10^-19 J) Express your answer in millions of electron volts to four significant figures.

Solved • Apr 6, 2020

Mass Defect

Q. Calculate the mass defect of the helium nucleus 5-He. The mass of neutral 5-He is given by MHe = 5.012225amu. Express your answer in atomic mass units to four significant figures.

Solved • Apr 6, 2020

Mass Defect

Q. Iron-56, ⁵⁶₂₆Fe, has a binding energy per nucleon of 8.79 MeV. (1 MeV = 1.60 × 10⁻¹³ J). Determine the amount of energy needed to 'decompose' 1 mol of iron-56 nuclei into the individual nucleons.

Solved • Apr 6, 2020

Mass Defect

Q. An injection containing 14.0 pg 10-B was injected into a patient suffering from from a brain tumor. The patient was irradiated y a neutron gun at site of the tumor. Calculate the amount of energy released in megaelectronvolts given that 931 MeV is released for each 1 amu mass defect. To calculate the energy released, consider the isotopic masses as follows: Express your answer in megaelectronvolts to three significant figures.

Solved • Mar 17, 2020

Mass Defect

Q. A nuclear power plant operates at 40.0% efficiency with a continuous production of 1202 MW of unstable power in 1.00 year consumes 1.23x10^6 g of uranium-235 in this time period. What is the energy in joules released by the fission of a single uranium-235 atom? Express your answer numerically in joules per atom.

Solved • Mar 17, 2020

Mass Defect

Q. Calculate the nuclear binding energy of 55-Mn in megaelectronvolts per nucleon (MeV/nucleon). Express your answer numerically in megaelectronvolts per nucleon.

Solved • Mar 17, 2020