Since 1 mole = 6.02214076×1023 particles (atoms, molecules, ions etc.), 1 joule per mole is equal to 1 joule divided by 6.02214076×1023 particles, 1.66054×10−24 joule per particle.
How do you convert joules to kilocalories per mole?
In SI units, one kilocalorie per mole is equal to 4.184 kilojoules per mole, or 6.9477×10−21 joules per molecule, or 0.043 eV per molecule.
How do you convert kJ to moles?
The prefix “kilo” means 1,000, so one kJ = 1,000 J. As the energies associated with a single molecule or atom are quite small, we often find it easier to discuss the energy found in one mole of the substance, hence “per mole”. To get the energy for one molecule, divide kJ/mol by Avogadro’s number, 6.022 x 1023.
How do I calculate moles?
How to find moles?
- Measure the weight of your substance.
- Use a periodic table to find its atomic or molecular mass.
- Divide the weight by the atomic or molecular mass.
- Check your results with Omni Calculator.
How do you convert joules to KJ mol?
To convert a joule measurement to a kilojoule measurement, divide the energy by the conversion ratio. The energy in kilojoules is equal to the joules divided by 1,000.
How do you convert from J mol to KJ mol?
- 1 J/mol = 0.001 kj/mol. 2 J/mol = 0.002 kj/mol.
- 3 J/mol = 0.003 kj/mol. 4 J/mol = 0.004 kj/mol.
- 5 J/mol = 0.005 kj/mol. 6 J/mol = 0.006 kj/mol.
- 7 J/mol = 0.007 kj/mol. 8 J/mol = …
- 9 J/mol = 0.009 kj/mol. 10 J/mol = …
- 11 J/mol = 0.011 kj/mol. 12 J/mol = …
- 13 J/mol = 0.013 kj/mol. 14 J/mol = …
- 15 J/mol = 0.015 kj/mol. 16 J/mol =
How do you convert joules from grams to kilojoules per mole?
In order to convert kilojoules per gram to kilojoules per mole, you need to multiply by grams per mole. Now, let’s say that you’re dealing with a compound that has a molar mass of x g mol−1 . This tells you that 1 mole of this compound has a mass of x g .
How much is in a mole?
The mole, abbreviated mol, is an SI unit which measures the number of particles in a specific substance. One mole is equal to 6.02214179×1023 atoms, or other elementary units such as molecules.
How do you find kJ mol?
Calculating energy changes
- = 100 × 4.2 × 20 = 8,400 J.
- It is also useful to remember that 1 kilojoule, 1 kJ, equals 1,000 J. …
- Moles of propane burned = 0.5 ÷ 44 = 0.01136.
- So, the molar enthalpy change, ∆H = 8.4 ÷ 0.01136 = 739 kJ/mol.
What is a mole in chemistry?
A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
How do you find moles on the periodic table?
The molar mass of any element can be determined by finding the atomic mass of the element on the periodic table. For example, if the atomic mass of sulfer (S) is 32.066 amu, then its molar mass is 32.066 g/mol.
How do you find the moles of an element in a compound?
Divide the mass of the compound in grams by the molar mass you just calculated. The answer is the number of moles of that mass of compound. For example, 25 grams of water equals 25/18.016 or 1.39 moles.