Two isotopes of a certain element have binding energies that differ by 3.8580 MeV. The isotope with the larger binding energy co ntains one more neutron than the other isotope. Find the difference in atomic mass between the two isotopes, by taking the energy equivalent of 1 u to be 931.50 MeV. Express your answer in atomic mass units.
1 answer:
Answer:
The difference in atomic mass between the two isotopes is 1.00452329 atomic mass unit.
Explanation:
For an isotope-I (heavier)
Mass of an isotope-I=M
Number of neutrons = n+1
Number of protons = p
For an isotope-II
Mass of an isotope-II=M'
Number of neutrons = n
Number of protons = p
Difference in binding energy:
(general binding energy expression)
Binding energy difference between two isotopes:
..(1)
The difference in atomic mass between the two isotopes is 1.00452329 atomic mass unit.
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Answer:
324.554 K
Explanation:
Which can be converted back to °C by subtracting 273
Once again thus answer can be found using the gas law P1/T1 =P2/T2
Remember to convert to Kelvin before doing the calculations by adding 273
Molar mass KCl = <span>74.5513 g/mol Number of moles: 21.9 / 74.5513 => 0.293 moles Volume = 869 mL / 1000 => 0.869 L Molarity = moles / Volume Molarity = 0.293 / 0.869 => 0.337 M </span>