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What are forces between molecules in a solid called?
all such forces are intermolecular forces.
What temperature melts a solid?
The temperature at which intermolecular forces push the molecules apart
What happens to the molecules in a solid when it dissolves?
When a solid dissolves in a solvent, the intermolecular forces holding the molecules in the solid lattice break. The solvent molecules surround the solute molecules, causing them to separate and disperse evenly throughout the solvent. The solute molecules become completely surrounded by solvent molecules in a process called solvation.
Why are some atoms or molecules in liquid form and not a solid?
The atoms and molecules in liquids move in a random pattern relative to one another instead of being in a solid form due to the intermolecular forces of attraction. The intermolecular forces are too weak to hold onto the molecules in a solid form.
Which solids is likely to have the lowest melting point?
A solid with weak intermolecular forces, such as those found in nonpolar molecules or small molecules, is likely to have the lowest melting point. These weak intermolecular forces are easily overcome by increasing temperature, causing the solid to melt.
What are forces between molecules in a solid called?
all such forces are intermolecular forces.
What is the correct order of states from least to greatest intermolecular forces of attraction?
The correct order is: gas < liquid < solid. This is because in the gas phase, molecules are far apart and have weak intermolecular forces, in the liquid phase, molecules are closer together with moderate intermolecular forces, and in the solid phase, molecules are tightly packed with strong intermolecular forces.
Does intermolecular force change from solid to liquid or liquid to gas?
Yes, the intermolecular forces generally change as a substance transitions from solid to liquid to gas. In solid form, molecules are held together by strong intermolecular forces. In liquid form, these forces weaken to allow molecules to move more freely. In gas form, intermolecular forces are weakest as molecules are far apart and move independently.
When a molecular solid mixes with water do the covalent bonds within molecules break?
No, when a molecular solid mixes with water, the covalent bonds within the molecules do not break. The solid may dissolve due to intermolecular interactions with water molecules, but the covalent bonds within the molecules remain intact.
How do the molecules of a solid differ from the molecules in a gas?
In solid, the molecules r tightly packed by intermolecular forces, but in gas these forces r very loose.
What are three change of state in which energy is absorbed?
Melting: Solid to liquid transition where energy is absorbed to break intermolecular forces. Sublimation: Solid to gas transition where energy is absorbed to overcome intermolecular forces without passing through the liquid state. Dissolution: Solid dissolving in a solvent where energy is absorbed to break intermolecular forces within the solid and between the solid and solvent molecules.
What temperature melts a solid?
The temperature at which intermolecular forces push the molecules apart
Is the force of attraction stronger in the molecules of a solid or liquid?
The force of attraction is generally stronger in the molecules of a solid compared to a liquid. In a solid, the molecules are closely packed and have limited movement, allowing for stronger intermolecular forces to hold them together. In a liquid, the molecules have more freedom to move, resulting in weaker intermolecular forces.
What happens to the molecules in a solid when it dissolves?
When a solid dissolves in a solvent, the intermolecular forces holding the molecules in the solid lattice break. The solvent molecules surround the solute molecules, causing them to separate and disperse evenly throughout the solvent. The solute molecules become completely surrounded by solvent molecules in a process called solvation.
Why are some atoms or molecules in liquid form and not a solid?
The atoms and molecules in liquids move in a random pattern relative to one another instead of being in a solid form due to the intermolecular forces of attraction. The intermolecular forces are too weak to hold onto the molecules in a solid form.
What is the same and different between the spacing in molecules in solid and a gas?
In a solid, molecules are closely packed together with strong intermolecular forces, leading to a fixed shape and volume. In a gas, molecules are far apart with weak intermolecular forces, allowing them to move freely and fill the container they are in. Both phases have molecules, but differ in their spacing and behavior due to their respective intermolecular forces.
Do molicules move faster in a solid or in a liquid?
Molecules in a liquid move faster than in a solid because the intermolecular forces in a liquid are weaker, allowing molecules to move around more freely. In a solid, molecules are held tightly in a fixed position by strong intermolecular forces.
