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What is the hypothesis describing the behavior of molecules when a substance changes from a gas to a liquid?
The hypothesis regarding the behavior of molecules when a substance changes from a gas to a liquid is that as the temperature decreases, the kinetic energy of the molecules decreases, causing them to come closer together and form intermolecular forces. Eventually, these forces become strong enough to hold the molecules together in a liquid state instead of allowing them to move freely as in a gas.
Are molecules close together in a liquid?
Yes, molecules in a liquid are close together but not locked in a fixed position like in a solid. The molecules have enough kinetic energy to move past each other, giving liquids their ability to flow.
How do molecules act as they change from gas to liquid?
When molecules change from gas to liquid, they lose energy and move closer together. This causes them to slow down and transition from a disordered state (gas) to a more ordered state (liquid). As the molecules come closer and interact with each other, they form intermolecular forces that hold them in a more cohesive and structured arrangement characteristic of a liquid.
Why do water molecules cohere to form a liquid?
Water molecules cohere to form a liquid due to hydrogen bonding between the molecules. This hydrogen bonding leads to a net attractive force between the molecules, allowing them to stay close together in a liquid state.
What holds liquids together?
The cohesive forces between liquid molecules, such as hydrogen bonding or van der Waals forces, hold liquids together. These forces create a surface tension that allows liquids to maintain a compact shape and form droplets.
What do dipole dipole forces do?
Hold polar molecules together
What is the hypothesis describing the behavior of molecules when a substance changes from a gas to a liquid?
The hypothesis regarding the behavior of molecules when a substance changes from a gas to a liquid is that as the temperature decreases, the kinetic energy of the molecules decreases, causing them to come closer together and form intermolecular forces. Eventually, these forces become strong enough to hold the molecules together in a liquid state instead of allowing them to move freely as in a gas.
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.
Do liquid particles have bonds?
The liquid particles, if molecules, have bonds which hold the ATOMS together in the molecule. There are also intermolecular forces of attraction BETWEEN the molecules.
When a gas changes into a liquid do the molecules spped up or slow down?
When a gas changes into a liquid, the molecules slow down. This occurs as the gas loses energy through cooling and reaches a point where intermolecular forces become strong enough to hold the molecules close together in a liquid state.
What happens to molecules in the outermost layer of ice when you hold it in your hand?
These molecules are transformed in a liquid.
What does the temp have to do with boiling points?
Water boils at 100 degrees centigrade. Water molecules in a liquid are always bumping against each other, but the attraction between them is strong enough to keep them held to each other. It is not strong enough to hold them tight like in a solid, but it does keep them together in a liquid. As the temperature rises, the molecules move faster and faster. When the liquid reaches the boiling point, the attraction between the molecules is no longer strong enough to hold them together. A number of them move so fast, they leave the liquid. That is called boiling.
What is the relationship of molecules in a solid liquid and a gas?
gas- the molecules are farther apart since there is more space in the air solid- the molecules are closer together since it is in one specific area Liquid- the molecules can be farther or closer together depending on the volume of the liquid
Why does liquid turn into a solid when it's cooled?
The cause of a liquid turning into a solid is that the molecules from a liquid start to decrease because of the temperature dropping lower until the molecules are squeezed together and hold a shape.
Are molecules close together in a liquid?
Yes, molecules in a liquid are close together but not locked in a fixed position like in a solid. The molecules have enough kinetic energy to move past each other, giving liquids their ability to flow.
Do liquid molecules have a strong attraction to one another?
Yes, liquid molecules have a moderate attraction to one another due to intermolecular forces like van der Waals forces and hydrogen bonding. These forces hold the molecules together in a more organized manner compared to gases, but with less rigidity than in solids.
How do molecules act as they change from gas to liquid?
When molecules change from gas to liquid, they lose energy and move closer together. This causes them to slow down and transition from a disordered state (gas) to a more ordered state (liquid). As the molecules come closer and interact with each other, they form intermolecular forces that hold them in a more cohesive and structured arrangement characteristic of a liquid.
