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When a solute dissolves in a solvent, the physical and chemical properties of the solution can change significantly. For instance, the boiling and freezing points of the solvent may be altered, a phenomenon known as boiling point elevation and freezing point depression. Additionally, the solution's conductivity can increase if the solute dissociates into ions, such as in the case of salt in water. Overall, the resulting solution exhibits properties distinct from those of the individual components.
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When a substance dissolves it undergoes a chemical change physical change molecular change?
When a substance dissolves, it undergoes a physical change, not a chemical change. This is because the molecules of the solute are dispersed in the solvent but do not undergo any chemical reactions. The process of dissolving is a result of the attraction between the solute and solvent molecules.
What phase change happens when something dissolves?
Dissolving a substance does not involve a phase change.
What causes the entropy to change when the solute dissolves in a solvent?
The solute becomes less ordered
When one substance dissolves in another is that a physical or chemical change?
When one substance dissolves in another, it is typically considered a physical change. This is because the process of dissolving involves the physical mixing of substances without altering their chemical composition. The individual molecules or ions retain their original properties, and the change can often be reversed, such as by evaporating the solvent. However, in some cases, if a chemical reaction occurs during the dissolution, it may be classified as a chemical change.
The heat energy absorbed or released when a specific amount of solute dissolves in a solvent is the?
The heat energy absorbed or released when a specific amount of solute dissolves in a solvent is called the heat of solution or enthalpy of solution. It represents the overall energy change associated with the dissolution process.
Is iodine dissolves in alcohol a chemical or physical change?
When iodine dissolves in alcohol, it is a physical change because no new substances are formed. The iodine molecules are simply dispersed in the alcohol solution, but the chemical properties of iodine and alcohol remain the same.
When a substance dissolves it undergoes a chemical change physical change molecular change?
When a substance dissolves, it undergoes a physical change, not a chemical change. This is because the molecules of the solute are dispersed in the solvent but do not undergo any chemical reactions. The process of dissolving is a result of the attraction between the solute and solvent molecules.
Why does Milo dissolve in hot milk?
it is a physical change not a chemical change. milo dissolves into hot milk because it is a super saturated solvent.
How adding solute changes the properties of a solvent?
Adding a solute to a solvent can change its properties by altering the boiling point, melting point, viscosity, and osmotic pressure. The presence of solute particles disrupts the solvent's ability to vaporize or freeze, leading to changes in these properties. The more solute added, the greater the impact on the solvent's properties.
What phase change happens when something dissolves?
Dissolving a substance does not involve a phase change.
What causes the entropy to change when the solute dissolves in a solvent?
The solute becomes less ordered
When one substance dissolves in another is that a physical or chemical change?
When one substance dissolves in another, it is typically considered a physical change. This is because the process of dissolving involves the physical mixing of substances without altering their chemical composition. The individual molecules or ions retain their original properties, and the change can often be reversed, such as by evaporating the solvent. However, in some cases, if a chemical reaction occurs during the dissolution, it may be classified as a chemical change.
How do you calculate the enthalpy change of a solution (H solution)?
To calculate the enthalpy change of a solution (H solution), you can use the formula: H solution H solute H solvent H mixing Where: H solute is the enthalpy change when the solute dissolves in the solvent H solvent is the enthalpy change when the solvent changes state (if applicable) H mixing is the enthalpy change when the solute and solvent mix By adding these three components together, you can determine the overall enthalpy change of the solution.
The heat energy absorbed or released when a specific amount of solute dissolves in a solvent is the?
The heat energy absorbed or released when a specific amount of solute dissolves in a solvent is called the heat of solution or enthalpy of solution. It represents the overall energy change associated with the dissolution process.
Is solubility a physical or chemical propety?
Solubility is a physical property because it is related to a physical, not a chemical, change. When something dissolves, it does not change chemically. It is still the same compound/molecule, etc. when it was not dissolved in the solvent.
Do all properties change when one substance dissolves into another?
No, Because Technically its still the same substance.
When sugar dissolves es in water is the change in entropy positive or negative?
When sugar dissolves in water, the change in entropy is generally positive. This is because the sugar molecules become more dispersed in the solvent, increasing the disorder or randomness of the system.
