Enter the energy in Kj/mol and the molar mass in g/mol into the calculator to convert the energy to J/g. This calculator helps in converting the energy of a substance from kilojoules per mole to joules per gram.
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Kj/Mol to J/g Formula
The following formula is used to convert energy from Kj/mol to J/g.
E (J/g) = (E (Kj/mol) * 1000) / M (g/mol)
Variables:
- E (J/g) is the energy in joules per gram
- E (Kj/mol) is the energy in kilojoules per mole
- M (g/mol) is the molar mass in grams per mole
To convert the energy from Kj/mol to J/g, multiply the energy value by 1000 to convert kilojoules to joules, then divide by the molar mass.
| kJ/mol | J/g |
|---|---|
| 1 | 55.509 |
| 2 | 111.019 |
| 5 | 277.547 |
| 10 | 555.093 |
| 15 | 832.640 |
| 20 | 1110.186 |
| 25 | 1387.733 |
| 30 | 1665.279 |
| 35 | 1942.826 |
| 40 | 2220.372 |
| 50 | 2775.465 |
| 60 | 3330.558 |
| 75 | 4163.198 |
| 100 | 5550.930 |
| 150 | 8326.395 |
| 200 | 11101.860 |
| 250 | 13877.325 |
| 300 | 16652.790 |
| 400 | 22203.720 |
| 500 | 27754.650 |
| * Rounded to 3 decimals. Uses J/g = (kJ/mol × 1000) / M. Assumed molar mass: water, M = 18.015 g/mol. For this M: 1 kJ/mol ≈ 55.509 J/g. | |
What is Energy Conversion from Kj/Mol to J/g?
Energy conversion from Kj/mol to J/g is a process of converting the energy associated with a chemical substance from kilojoules per mole, a unit of energy per amount of substance, to joules per gram, a unit of energy per mass. This conversion is useful in various fields of chemistry and material science where energy content relative to mass is more relevant than energy per mole.
How to Calculate Energy in J/g from Kj/Mol?
The following steps outline how to calculate the energy in J/g from Kj/mol.
- First, determine the energy in Kj/mol.
- Next, determine the molar mass of the substance in g/mol.
- Use the formula E (J/g) = (E (Kj/mol) * 1000) / M (g/mol).
- Finally, calculate the energy in J/g.
- After inserting the variables 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 (Kj/mol) = 250 Kj/mol
Molar Mass (g/mol) = 58.44 g/mol
