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Why the relative molecular mass of aluminium chloride in the vapour phase is twice the expected value?
The relative molecular mass of aluminium chloride (AlCl₃) in the vapor phase is typically found to be about twice the expected value because it exists as a dimer (Al₂Cl₆) rather than as individual AlCl₃ molecules. In the gaseous state, two AlCl₃ units can associate to form this dimer due to intermolecular forces. This dimerization leads to the observed molecular mass being twice that of the monomeric AlCl₃, thus explaining the discrepancy in the expected value.
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What is the relative molecular mass of caco3?
The relative molecular mass of CaCO3 (calcium carbonate) is approximately 100.09 g/mol.
What is molecular mass of potassium in potassium chloride?
Since potassium chloride has the formula KCl and the mass of the lost electron from neutral potassium is negligible compared with the mass of the protons and neutrons in the potassium atom nucleus, the molecular mass of potassium in this compound is the same as the atomic mass of potassium, 39.098.
How do you calculate the relative molecular mass of H2O WATER?
Shove a dick in it
What is molecular mass?
Molecular mass is the sum of the atomic masses of all the atoms in a molecule. It is usually expressed in atomic mass units (amu) or grams per mole (g/mol). Molecular mass is used to determine the mass of a substance in chemical reactions and stoichiometry calculations.
Why do relative molecular mass have decimals?
They are the calculated averages of all the isotopes of a particular element in accordance to their relative abundances, and hence is generally not an integer due to the mathematical division involved.
What has the author Pentti Olavi Ilmari Virtanen written?
Pentti Olavi Ilmari Virtanen has written: 'Relative rates of the aluminium chloride-catalysed reactions of methylbenzenes with 3-chloropropionyl chloride in ethylene dichloride' -- subject(s): Aluminum chloride, Chemical kinetics, Chloropropionyl chloride, Toluene
What is the relative atomic mass of aluminium?
it is 27. =)
What is the relative molecular mass of caco3?
The relative molecular mass of CaCO3 (calcium carbonate) is approximately 100.09 g/mol.
What is relative density aluminium?
Relative density, also known as specific gravity, is the ratio of the density of a substance to the density of a reference substance. For aluminum, its relative density is approximately 2.7, meaning it is 2.7 times denser than water.
What is molecular mass of potassium in potassium chloride?
Since potassium chloride has the formula KCl and the mass of the lost electron from neutral potassium is negligible compared with the mass of the protons and neutrons in the potassium atom nucleus, the molecular mass of potassium in this compound is the same as the atomic mass of potassium, 39.098.
What is molecular number for kapok seed oil?
The relative molecular weight of kapok seed oil is 875.081.
What instrument measures relative humidity using the electrical conductance of the chemical lithium chloride?
A hygrometer that uses a lithium chloride sensor measures relative humidity by sensing changes in electrical conductance. As humidity levels change, the conductivity of the lithium chloride sensor varies, allowing for the calculation of relative humidity based on these changes.
How do you calculate the relative molecular mass of H2O WATER?
Shove a dick in it
What are Critical components of fire danger index in south Africa?
Expected temperature, expected wind strength, expected relative humidity, last rainfall. Expected rainfall is not included.
What is the weight average molecular weight of the compound in question?
The weight average molecular weight of the compound is the average of the molecular weights of all the molecules in the sample, weighted by their relative abundance.
What is molecular mass?
Molecular mass is the sum of the atomic masses of all the atoms in a molecule. It is usually expressed in atomic mass units (amu) or grams per mole (g/mol). Molecular mass is used to determine the mass of a substance in chemical reactions and stoichiometry calculations.
What is the expected relative roughness of copper?
The Absolute roughness, e, of copper is 1.5 microns The relative roughness is just e/D
