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What happens to the molecules of a compound when it changes state from a liquid to solid?
The molecules of the substance lose energy and usually assume a fixed lattice shape (which may be a crystalline form or an allotropic form, dependent on temperature and pressure). Some compounds such as glass (various silica compounds) can transition to an amorphous solid (non-crystalline phase) that can be fractured, but also may very slowly flow above a particular temperature (vitrification).
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What happens When a covalent compound dissolves in a liquid the compound?
When a covalent compound dissolves in a liquid, the compound's molecules are surrounded and separated by the solvent molecules. This disrupts the intermolecular forces within the compound and allows the solvent molecules to interact with the compound's molecules. Ultimately, the compound disperses evenly throughout the solvent, forming a homogeneous solution.
What happens when a liquid changes into a solid?
When a liquid changes into a solid, it undergoes a process called solidification or freezing. The molecules in the liquid slow down and come closer together, forming a stable crystalline structure. This process releases heat energy as the molecules lose kinetic energy, resulting in the formation of a solid with a fixed shape and volume.
How does change in phase affect entropy changes in a reaction?
A change in phase (e.g. solid to liquid) typically involves an increase in entropy due to an increase in molecular disorder and freedom of movement. However, entropy changes can vary depending on the specific conditions of the reaction.
Which phase change occurs during evaporation?
The phase change that occurs during evaporation is when a liquid changes into a gas. This process happens when the molecules of the liquid gain enough energy to escape into the air.
What process changes gas into a liquid?
Condensation.
What happens When a covalent compound dissolves in a liquid the compound?
When a covalent compound dissolves in a liquid, the compound's molecules are surrounded and separated by the solvent molecules. This disrupts the intermolecular forces within the compound and allows the solvent molecules to interact with the compound's molecules. Ultimately, the compound disperses evenly throughout the solvent, forming a homogeneous solution.
What happens to molecules when a substance changes from a liquid to a gas?
they get further apart
What happens to molecules when a substance changes from gas to a liquid?
chang to differ formes
What happens to molecules when a substance changes from liquid to a solid?
They start to get closer together
How does a change in phase affect entropy changes in a reaction?
It happens because, even in the same compound, atoms/molecules in different phases have different types of behaviour. For example, unlike solids, liquid and gas molecules can 'flow' around.
What happens to the molecules when there is a change in state from liquid to solid?
When a liquid changes to the solid state, the molecules slow down so that they only vibrate in place and can no longer flow like a liquid.
What happens when something changes states from a solid to liquid?
the molecules spread out and become less dense
What happens when a liquid changes into a solid?
When a liquid changes into a solid, it undergoes a process called solidification or freezing. The molecules in the liquid slow down and come closer together, forming a stable crystalline structure. This process releases heat energy as the molecules lose kinetic energy, resulting in the formation of a solid with a fixed shape and volume.
What happens when a solid a liquid and gas when it changes its state?
When a solid changes to a liquid, it melts and gains more kinetic energy. When a liquid changes to a gas, it evaporates and gains even more kinetic energy. When a solid changes directly to a gas without passing through the liquid state, it is known as sublimation.
What happens when liquid solids or gas absorb heat?
the molecules gain or lose energy, the more energy these molecules have the easy it is for them to break the bonds holding them together, thus when you apply enough heat to a substance it changes from a solid to a liquid then from a liquid to a gas.
When you saw the changes to a liquid the temperature at which this happens just called?
What's the temperature at which this happens when changes to a solid to a liquid
What happens when a solid changes to a liquid?
nothing happens after a solid chages into a liquid.
