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Why the dipole moment of liquid water is greater than the gas phase?
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Does the SF6 anion have a dipole moment?
The neutral SF6 molecule has no dipole moment. The gas phase SF6- ion is not that well understood- on the basis that the shape is distorted octahedral a small dipole would be expected.
What happens to water when calcium chloride is added to water?
The calcium chloride will completely dissociate when it enters the water, resulting in calcium and chloride ions floating throughout the water. The hydrogen bonds between the individual water molecules will become disrupted, resulting in a dipole-ion force between either the hydrogen dipole and the chloride ion or the oxygen dipole and the calcium ion. Because a dipole-ion intermolecular force is stronger than a hydrogen bond force, the solution will require more heat energy to be added to liberate the water molecules from the solution and cause a phase change from liquid to gas. The same is true for freezing - because the dipole-ion intermolecular forces are stronger, the typical hydrogen bonds that would form and create a stable lattice structure cannot form as easily and you have to remove a greater proportion of heat energy from the solution to cause a phase change from liquid to solid.
Which of the following molecules has a polar covalent bond?
H2 has non polar covalent bond. H2O and HCl are polar covalent. LiI-- thats ionic- so is not molecular under normal conditions- if a molecule were formed in gas phase then that would be polar too.
Why don't dipole dipole forces have much effect on a gas?
The ratio of the average distance between molecules to the size of the molecules themselves is much larger in a gas than in either a liquid or a solid of the same substance, and each dipole is contained in a single molecule. Therefore, the dipole-dipole forces must act over much longer distances in a gas, and all electrostatic forces, such as dipole-dipole forces, are weaker over long distances than over short ones.
Which of the following has greater entropy bromine vapor or liquid bromine Iodine vapor or solid iodine Justify your answer.?
Vapors always have more entropy than liquids of the same substance at the same temperature, because the number of energy states accessible to molecules in the vapor phase is much greater than in the liquid phase.
Does the SF6 anion have a dipole moment?
The neutral SF6 molecule has no dipole moment. The gas phase SF6- ion is not that well understood- on the basis that the shape is distorted octahedral a small dipole would be expected.
What is the intermolecular forces for lithium fluoride?
Lithium chloride is a very hygroscopic ionic chloride sat. It is NOT molecular in the solid or in solution. It is a diatomic molecule in the gas phase and has a high dipole moment due to the difference in electronegativity between Li and Cl, intermolecular forces in the gas phase will be dipole -dipole and dispersion forces.
Does solid argon or liquid argon have a greater density?
Solid Argon is more dense than the liquid phase
When the solid and and liquid are in equilibrium which phase contains greater amount of energy?
the liquid (in science) always or usually has more energy.
What happens to water when calcium chloride is added to water?
The calcium chloride will completely dissociate when it enters the water, resulting in calcium and chloride ions floating throughout the water. The hydrogen bonds between the individual water molecules will become disrupted, resulting in a dipole-ion force between either the hydrogen dipole and the chloride ion or the oxygen dipole and the calcium ion. Because a dipole-ion intermolecular force is stronger than a hydrogen bond force, the solution will require more heat energy to be added to liberate the water molecules from the solution and cause a phase change from liquid to gas. The same is true for freezing - because the dipole-ion intermolecular forces are stronger, the typical hydrogen bonds that would form and create a stable lattice structure cannot form as easily and you have to remove a greater proportion of heat energy from the solution to cause a phase change from liquid to solid.
Which of the following molecules has a polar covalent bond?
H2 has non polar covalent bond. H2O and HCl are polar covalent. LiI-- thats ionic- so is not molecular under normal conditions- if a molecule were formed in gas phase then that would be polar too.
What phase is it when ice melts?
Liquid phase: liquid water
Why don't dipole dipole forces have much effect on a gas?
The ratio of the average distance between molecules to the size of the molecules themselves is much larger in a gas than in either a liquid or a solid of the same substance, and each dipole is contained in a single molecule. Therefore, the dipole-dipole forces must act over much longer distances in a gas, and all electrostatic forces, such as dipole-dipole forces, are weaker over long distances than over short ones.
Which of the following has greater entropy bromine vapor or liquid bromine Iodine vapor or solid iodine Justify your answer.?
Vapors always have more entropy than liquids of the same substance at the same temperature, because the number of energy states accessible to molecules in the vapor phase is much greater than in the liquid phase.
Why is gaseous phase of ethanol preferable to liquid phase?
The liquid phase is preferable for drinks and solvents.
What phase has a fixed volume but not a fixed shape?
This phase is a liquid.
What is a nonpolar organic molecule?
It is a molecule that is made up of hydrocarbon chains that have no net overall dipole moment. This molecule is immiscible with any polar substances. It hence establishes a phase of its own on top of the polar medium. P.Dee.
