Enter the energy in kJ/mol or eV/atom into the calculator to determine the missing value.
Energy Conversion Formula
The following formula is used to convert energy between kJ/mol and eV/atom.
E_{eV/atom} = \frac{E_{kJ/mol} \times 1000}{N_A \times e}Variables:
- (E_{eV/atom}) is the energy in electron volts per atom
- (E_{kJ/mol}) is the energy in kilojoules per mole
- (N_A) is Avogadro’s number (approximately (6.022 times 10^{23}) mol(^{-1}))
- (e) is the elementary charge (approximately (1.602 times 10^{-19}) coulombs)
To convert energy from kJ/mol to eV/atom, multiply the energy in kJ/mol by 1000, then divide by the product of Avogadro’s number and the elementary charge.
| kJ/mol | eV/atom |
|---|---|
| 1 | 0.010364 |
| 2 | 0.020729 |
| 5 | 0.051821 |
| 10 | 0.103643 |
| 15 | 0.155464 |
| 20 | 0.207285 |
| 25 | 0.259107 |
| 30 | 0.310928 |
| 40 | 0.414571 |
| 50 | 0.518214 |
| 60 | 0.621856 |
| 75 | 0.777320 |
| 100 | 1.036427 |
| 150 | 1.554641 |
| 200 | 2.072854 |
| 250 | 2.591068 |
| 300 | 3.109282 |
| 400 | 4.145709 |
| 500 | 5.182136 |
| 1000 | 10.364272 |
| * Rounded to 6 decimals. Conversion constants: 1 eV/atom = 96.485332 kJ/mol; 1 kJ/mol = 0.010364272 eV/atom. | |
What is Energy Conversion?
Energy conversion is the process of changing energy from one form to another. In the context of chemistry and physics, it often involves converting energy units to make calculations and comparisons easier. For instance, converting energy values between kJ/mol and eV/atom is common in the study of molecular and atomic interactions. This conversion is essential for understanding and comparing the energy changes that occur during chemical reactions and physical processes at the atomic and molecular levels.
How to Calculate Energy Conversion?
The following steps outline how to calculate the energy conversion between kJ/mol and eV/atom.
- First, determine the energy in kJ/mol (if given).
- Next, determine Avogadro’s number ((N_A)).
- Next, determine the elementary charge ((e)).
- Use the formula to convert the energy to eV/atom.
- After inserting the values and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Energy in kJ/mol = 100
Avogadro’s number ((N_A)) = (6.022 times 10^{23}) mol(^{-1})
Elementary charge ((e)) = (1.602 times 10^{-19}) coulombs