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The greater the potential of a liquid's molecules to interact with each other through intermolecular forces, the lower the vapour pressure is going to be above the liquid (because molecules will preferentially stay liquid and interact with other molecules rather than fly away as a gas), and the lower the boiling point of the liquid. Therefore the relationship is an inverse one.
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The strongest intermolecular forces of attraction exist in a liquid whose heat of vaporization is 100J 300 200 or 400?
The liquid with the highest heat of vaporization (400 J) will have the strongest intermolecular forces of attraction. This is because a higher heat of vaporization indicates that more energy is required to overcome the intermolecular forces holding the liquid molecules together, resulting in stronger attractions between the molecules.
Which physical properties is not affected by an increase in intermolecular forces?
The correct answers are: Capillary attraction; Melting point; and Heat of vaporization. Stronger intermolecular forces increase capillary attraction, melting point, and the heat of vaporization. They have no bearing on conductivity and hardness.A.HardnessB.ConductivityC.Capillary attractionD.Melting pointE.Heat of vaporization
What causes chloroform to have the lowest heat of vaporization?
Smallest intermolecular forces of attraction
Why is the enthalpy of vaporization positive?
The enthalpy of vaporization is positive because energy is required to break the intermolecular forces holding liquid molecules together and convert them into vapor. This energy input is needed to overcome the attractive forces between the molecules in the liquid phase.
What probably causes chloroform to have the lowest heat of vaporization?
Chloroform's low heat of vaporization is likely due to its relatively weak intermolecular forces compared to other liquids. These weak forces make it easier for chloroform molecules to escape the liquid phase and enter the vapor phase at lower temperatures.
The strongest intermolecular forces of attraction exist in a liquid whose heat of vaporization is 100J 300 200 or 400?
The liquid with the highest heat of vaporization (400 J) will have the strongest intermolecular forces of attraction. This is because a higher heat of vaporization indicates that more energy is required to overcome the intermolecular forces holding the liquid molecules together, resulting in stronger attractions between the molecules.
Which physical properties is not affected by an increase in intermolecular forces?
The correct answers are: Capillary attraction; Melting point; and Heat of vaporization. Stronger intermolecular forces increase capillary attraction, melting point, and the heat of vaporization. They have no bearing on conductivity and hardness.A.HardnessB.ConductivityC.Capillary attractionD.Melting pointE.Heat of vaporization
Process of vaporization require an input of energy?
Yes, the process of vaporization does require an input of energy. The energy is required to break the intermolecular forces of a given substance. The intermolecular forces is usually very strong.
What causes chloroform to have the lowest heat of vaporization?
Smallest intermolecular forces of attraction
Why is the enthalpy of vaporization positive?
The enthalpy of vaporization is positive because energy is required to break the intermolecular forces holding liquid molecules together and convert them into vapor. This energy input is needed to overcome the attractive forces between the molecules in the liquid phase.
What is the relationship between intermolecular forces and volatilit?
A volatile liquid is easy to vaporize because there are weak intermolecular attractions between its molecules. A nonvolatile liquid is difficult to vaporize because there are strong intermolecular attractions between its molecules.
What probably causes chloroform to have the lowest heat of vaporization?
Chloroform's low heat of vaporization is likely due to its relatively weak intermolecular forces compared to other liquids. These weak forces make it easier for chloroform molecules to escape the liquid phase and enter the vapor phase at lower temperatures.
What is the suitable hypothesis to investigate evaporation and determine the relationship between evaporation and inter molecular forces?
Evaporation occur when intermolecular forces weakened.
What indicates the presence of weak intermolecular forces in a liquid?
A low boiling point, high vapor pressure, and low viscosity are indicators of weak intermolecular forces in a liquid. These properties suggest that the molecules in the liquid are easily separated and can escape into the gas phase more readily.
What is the relationship between the strength of the intermolecular forces and boiling point?
The strength of intermolecular forces is directly related to the boiling point of a substance. Substances with stronger intermolecular forces require more energy to break those forces, leading to a higher boiling point. Conversely, substances with weaker intermolecular forces have lower boiling points.
Are vaporization reactions negative?
Vaporization reactions typically require energy input to break intermolecular forces and change a substance from liquid to gas state, making them endothermic (positive ΔH or enthalpy). The process absorbs heat from the surroundings to overcome forces of attraction between molecules, resulting in a cooling effect.
Does the movement on particles decrease or increase in vaporization?
The movement of particles increases during vaporization as they gain more energy to overcome intermolecular forces and transition from a condensed phase to a gaseous phase.
