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Molecular weight and sedimentation constant are related through the Svedberg equation, which states that the sedimentation constant (S) is inversely proportional to the molecular weight of a molecule. This means that larger molecules with higher molecular weights will have lower sedimentation constants, while smaller molecules with lower molecular weights will have higher sedimentation constants.
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What is apparent molecular weight?
Apparent molecular weight refers to the molecular weight of a substance as determined through specific experimental methods, often using techniques like gel permeation chromatography or sedimentation analysis. It accounts for the effects of the molecule's size, shape, and interactions with the solvent or medium, which may differ from the actual molecular weight due to factors such as aggregation or conformational changes. As a result, the apparent molecular weight can provide insights into the behavior and characteristics of macromolecules in solution.
What is the parachor value of hexane by simplification?
The parachor value of hexane can be estimated using its molecular weight and density. Hexane (C6H14) has a molecular weight of approximately 86.18 g/mol and a density of about 0.6548 g/cm³. The parachor value is calculated as the product of the molecular weight and a constant related to the density, resulting in a parachor value of approximately 60.5. This value reflects the cohesive forces in the liquid phase and is useful in characterizing its physical properties.
What is ebullioscopic method?
Ebullioscopic method is a physiochemical method to determine the molecular weight of compounds....."when a non volatile solute is added to pure solvent or liquid the boiling point of the pure solvent is increased and the elevation in the temperature is related to the molecular weight of solute"this is given by formula:M=1000Kew/(ΔTW)WHERE Ke is the molal elevation constant,w is the weight of solute, W is the weight of solvent and M is the molecular weight................................................irfan ali bughio from uni of sindh,,,,,,,,,allama i.i qazi institute of chemistry..ayaan622@yahoo.com
What is the molecular weight of malondialdehyde?
The molecular weight of malondialdehyde (C3H4O2) is 72.06 g/mol.
What is the molecular weight of serotonin?
The molecular weight of serotonin is approximately 176.203 g/mol.
What is apparent molecular weight?
Apparent molecular weight refers to the molecular weight of a substance as determined through specific experimental methods, often using techniques like gel permeation chromatography or sedimentation analysis. It accounts for the effects of the molecule's size, shape, and interactions with the solvent or medium, which may differ from the actual molecular weight due to factors such as aggregation or conformational changes. As a result, the apparent molecular weight can provide insights into the behavior and characteristics of macromolecules in solution.
How do you convert molecular weight from Dalton to grams?
To convert molecular weight from daltons to grams, you use the molar mass constant, which is 1 g/mol = 1 dalton. Therefore, the molecular weight in daltons is equivalent to the molar mass in grams per mole. Simply express the molecular weight in grams per mole.
What is the molecular weight of a compound in daltons converted to grams per mole (g/mol)?
To convert the molecular weight of a compound from daltons to grams per mole (g/mol), you need to divide the molecular weight in daltons by the Avogadro constant (6.022 x 1023). This will give you the molecular weight in grams per mole (g/mol).
What is the molecular weight of ethyl alcohol?
The formula for ethyl alcohol, or ethanol, is C2H6O.See the Related Questions to the left to determine the molecular weight of any compound, such as ethanol.
How will determine Molecular weight by Landsberger method?
we can determine the molecular weight from landsberger experiment for elevation of boiling point by using the formula M2=(KBW2)*1000/T'W1 where M2=molecular mass Kb=ebullioscopic constant or molal boiling point constant W2=mass of solute W1=mass of solvent T'=change in temprature
What is the parachor value of hexane by simplification?
The parachor value of hexane can be estimated using its molecular weight and density. Hexane (C6H14) has a molecular weight of approximately 86.18 g/mol and a density of about 0.6548 g/cm³. The parachor value is calculated as the product of the molecular weight and a constant related to the density, resulting in a parachor value of approximately 60.5. This value reflects the cohesive forces in the liquid phase and is useful in characterizing its physical properties.
What is the molecular weight of chymotrypsin?
It has a molecular weight of 21,600 Daltons
What is the molecular weight and molecular formula of potassium humate?
molecular structur C9H8K2O4molecular weight: 258.35
If you have molecular weight how can you find equivalent weight?
To determine the equivalent weight from the molecular weight, you need to divide the molecular weight by the valence (or charge) of the compound. For example, for a compound with a molecular weight of 100 g/mol and a valence of 2, the equivalent weight would be 50 g/equiv.
What is the molecular weight of vanillideneacetone?
The molecular weight of vanillideneacetone is 192.214g/mol.
What is the difference between molecular weight in amu and molecular weight in grams?
The only difference is the name of the unit; the numerical values are the same. However, the value in amu is the mass of a single molecule, while the molecular weight in grams is the mass of Avogadro's number of molecules. The mass of Avogadro's number of molecules is called a Gram-mole. The molecular weight of , say, Hydrogen H2 is 2 amu. A gram mole of this would be 2 grams. The molecular weight in grams is the weight of this molecule in real grams and is an extremely small value.
What is Sodium nitrate molecular weight?
Sodium nitrate molecular weight is 84,9947.
