What does dissolve, solidify, liquefy, and lift in physics 40

Melting refers to the change of an object from a solid state to a liquid state, solidification refers to the change of a liquid state to a solid state, liquefaction refers to the change of a gaseous state to a liquid state, and sublimation refers to the process of directly changing from a solid state to a gaseous state.

Dissolution refers to the dissolution of solid substances in water, coagulation refers to the condensation of liquid substances into solid states, liquefaction refers to the change of gaseous state to liquid state, and sublimation refers to the direct change from solid state to gaseous state.

There are three forms of existence of matter: solid-liquid gas, solid-to-liquid is melting, liquid-to-solid is solidification, liquefaction refers to gas to liquid, and sublimation refers to solid directly to gas.

Melting is the process by which a substance changes from a solid state to a liquid state and is endothermic.

Solidification is the process by which a substance changes from a liquid state to a solid state, to be exothermic.

Liquefaction is the process by which a substance changes from a gaseous state to a liquid state, to be exothermic.

Sublimation is the process by which a substance changes from a solid state to a gaseous state, to absorb heat.

Hope it helps

All of the above are the names of the change in the state of matter.

Melted --- material changes from a solid state to a liquid state.

Solidification --- the change of substance from a liquid state to a solid state.

Liquefaction --- change the substance from a gaseous state to a liquid state.

Sublimation --- a substance that directly changes from a solid state to a gaseous state.

Melting refers to the change of matter from a solid state to a liquid state, for example, ice is heated into water; Solidification is the opposite of melting, e.g. water is exothermic to ice. Liquefaction is the process of changing a substance from a gaseous state to a liquid state, such as the dew in late autumn is a small water droplet turned from water vapor heat release; Sublimation is the process by which a substance changes directly from a solid state to a gaseous state, such as mothballs, which will become smaller after a period of time.

Every process of change in the state of matter is accompanied by the transfer of energy.

Dissolution: The process by which an object is heated from a solid to a liquid and then heated, and the whole process needs to absorb heat.

Coagulation: The process by which an object is cooled from a liquid to a solid, and the whole process emits heat to the outside.

Liquefaction: The process by which an object is transformed from a gaseous state to a liquid state, and the whole process emits heat to the outside.

Sublimation: The direct transformation of an object from a solid to a gaseous state, which requires the absorption of heat.

Melting The process by which solids (such as ice, snow, etc.) are softened or turned into fluids by heat.

Coagulation of the liquid into a solid .

Liquefaction is the process by which a substance is transformed from a gaseous state to a liquid state.

Sublimation A substance directly changes from a solid state to a gaseous state.

Seeing that I don't love it, I laughed, it turned out that there were people who were stupider than me.

Difference Between Melting, Coagulation, Vaporization, Liquefaction, Sublimation, Condensation:

1. The state is different.

Melted, liquefied: the state is liquid.

Coagulation, coagulation: the state is solid.

Vaporization, sublimation: the state is a gas.

2. The temperature at which the change occurs.

Melting, vaporizing, sublimation: The object needs to exceed its own melting and boiling points, and the temperature is generally very high.

Coagulation, liquefaction, coagulation: The object needs to be lower than its own melting and boiling points, and the temperature is generally very low.

3. The heat changes are different.

Melting, vaporizing, sublimation: absorbing heat.

Coagulation, liquefaction, coagulation: release heat.

The concept of melting, solidifying, vaporizing, liquefiing, sublimating, condensing:

Melting: Refers to the melting of ice or snow into water due to temperature or sunlight. Or a sentence that warms a person's heart.

Coagulation: refers to the process by which a substance changes from a liquid state to a solid state when the temperature decreases.

Vaporization: Refers to the process of phase change of a substance from a liquid state to a gaseous state.

Liquefaction: refers to the process of changing a substance from a gaseous state to a liquid state, which will release heat to the outside world.

Sublimation: The process of changing from a solid state to a gaseous state in physics.

Condensation: The phenomenon of a substance skipping the liquid state and directly changing from a gaseous state to a solid state.

1. Concept. Melting: When a substance is converted from a solid state to a liquid state, this phenomenon is called melting.

Solidification: When a substance is converted from a liquid state to a solid state, this phenomenon is called solidification.

Vaporization: The conversion of a substance from a liquid state to a gaseous state, a phenomenon called vaporization.

Liquefaction: When a substance is converted from a gaseous state to a liquid state, this phenomenon is called liquefaction.

Sublimation: The direct conversion of matter from a solid state to a gaseous state is a phenomenon called sublimation.

Condensation: The direct conversion of matter from the gaseous state to the solid state is called condensation.

2. Differences. 1. Melting should absorb heat, such as ice absorbing heat and melting into water; Solidification is exothermic, such as water exothermic solidification into ice.

2. There are two ways of vaporization: evaporation and boiling, evaporation occurs on the surface of the liquid, which can be carried out at any temperature, which is slow.

3. Sublimation and endothermy, condensation and exothermy.

1.Solubilization: Refers to the process by which a solid is mixed with a liquid or gas phase to form a solution. During the dissolution process, the solid substance is dispersed in a liquid or gas, surrounded by fine molecules or ions. For example, salt dissolves in water to form brine.

2.Melting: refers to the process by which a solid substance is heated to a temperature high enough to change it from a solid state to a liquid state.

In the melting process, the bonds between the molecules or ions of the solid are broken, making its structure fluid. For example, ice melts into water when heated to a certain temperature.

3.Melting: Similar to melting, it refers to the transformation of a substance from a solid state to a liquid state.

But"Melting"The term is often used to describe the process of melting and localizing metals or substances with high melting points. For example, iron melts into liquid molten iron when heated to a high enough temperature.

To sum up:"Dissolve"It refers to the mixing of solid substances with liquids or gases to form a solution;

Melt"It is used to describe the process of turning a solid into a liquid, and is generally used for the melting of ordinary substances;

Melting"Used to describe the melting process of substances or metals with high melting points.

Note that the specific use of these words also depends on the context and the substance and process being described.

<> process by which matter changes from one state to another is called a change of state.

1.The first is the solid state and liquid state of the substance, the relationship between the two, when the substance is converted from the solid state to the liquid state, this phenomenon is called melting, and the melting should be endothermic, such as ice absorbing heat and melting into water, on the contrary, when the substance is converted from a liquid state to a solid state, this phenomenon is called solidification, and solidification should be exothermic, such as water being exothermic and solidified into ice. The crystals have a melting point, that is, they will melt when the temperature reaches the melting point, and the temperature will not be higher than the melting point when melting, and the temperature will not rise after complete melting.

Amorphous does not have a fixed melting point, so the temperature during melting is uncertain.

2.Then there is the change relationship between the gaseous state and the liquid state of the substance, the substance is converted from the liquid state to the gaseous state, this phenomenon is called vaporization, and vaporization has two ways: evaporation and boiling, evaporation occurs on the surface of the liquid, which can be carried out at any temperature, which is slow. Boiling occurs on the surface and inside the liquid and must reach the boiling point and is violent.

Vaporization has to absorb heat, the liquid has a boiling point, when the temperature reaches the boiling point, the temperature will not rise again, but it is still absorbing heat; When a substance is converted from a gaseous state to a liquid state, this phenomenon is called liquefaction, and liquefaction requires exothermy. For example, water vapor liquefies into water, and water evaporates into water vapor.

3.Finally, the relationship between the solid state and the gaseous state of the substance, which is not common to us, the direct conversion of the substance from the solid state to the gaseous state, this phenomenon is called sublimation, and then the direct conversion of the substance from the gaseous state to the solid state, which is called condensation, sublimation endothermy, and condensation exothermic.

In the event of a change in biological state, the object needs to be endothermic or exothermic. When an object transforms from high density to low density, it is endothermic; When the transition from low density to high density is heat release. The condition of endothermic or exothermic is heat transfer, so there is no temperature difference between the object and the surrounding environment, and there will be no change in the state of matter.

For example, 0 degrees Celsius ice will not melt when placed in 0 degrees of air.

4.This is the relationship between the three of the change of the state of matter, and their conversion is mainly based on temperature. The process of changing a substance from a solid state to a liquid state, from a liquid state to a gaseous state, and from a solid state to a gaseous state requires the absorption of heat from the outside; In the process of changing from a gaseous state to a liquid state, from a liquid state to a solid state, and from a gaseous state directly to a solid state, heat is released to the outside world.

Liquefaction, gas-to-liquid.

Exothermic. Gasification, liquid-to-gas.

Decalescence. Sublimation, gas solidification.

Exothermic. Condensation, solidification and gas.

Decalescence. Coagulation, liquid solidification.

Exothermic. Dissolved, solidified liquid.

Decalescence. Hehe.

Almost. It's simple.

Example 1: When ice turns into water, what is the change in the state of matter?

Explanation: At first the ice was solid, later the water was liquid, solid to liquid, melted.

Example 2: In winter, frozen clothes become dry, what is the change in physical condition?

Explanation: At the beginning, the ice on the clothes was solid, and the "dry" ice turned into water vapor and ran away, and the water vapor was gaseous, solid to gaseous, and it was sublimation.

Example 3: How are fog and dew formed?

Explanation: At the beginning, it is water vapor, it is gaseous, fog and dew are both liquid water, gaseous to liquid, it is liquefaction.

Example 2 and Example 3, this kind of topic, a certain state of matter, here is water vapor (gaseous) is not easy to understand, we should pay special attention to:

Example 4: What is it that people exhale "white gas" from their mouths in winter?

Explanation: At first, what comes out of the human mouth is water vapor, which is gaseous, and in the morning of winter, when the outside temperature is low, it will become "white gas", which is liquid, gaseous to liquid, and liquefied.

Fourth, other substances also have a situation similar to "three". As.

Example 5: What is the change in the state of matter when the mothballs become smaller and finally disappear?

Solution: The solid state (naphthalene) becomes gaseous (naphthalene vapor) and sublimation.

Fifth, there are also topics, there are several states of matter changed together. For example, Example 6: The fluorescent tube is black on both sides, what is this all about?

Answer: First sublimation, then condensation.

Example 7: What are the changes in the state of matter in dry ice artificial rainfall?

Dry ice sublimates into gaseous carbon dioxide, absorbs heat, liquefies water vapor in the air into small water droplets or condenses into Xiaoice crystals, small water droplets into large water droplets, Xiaoice crystals melt into water, and it is rain when it falls to the ground.

It's actually quite simple, and the following list is easier to remember. Liquefaction: gaseous state >> liquid process exothermic |Gasification:

Liquid state >> gaseous process endothermic sublimation: gaseous state >> solid process exothermic |Condensation: Solid State Gaseous Process Endothermic Solidification:

Liquid state solid state process exothermic |Melting: Solid-state liquid process is endothermic.

To put it in layman's terms, it is intuitive. It is called sublimation when the solid state changes into a gaseous state. The gaseous state is called condensation. The change from a liquid state to a solid state is called solidification. The change of a solid state into a liquid state is called melting. The change of liquid state to gaseous state is called evaporation.

To distinguish between physical liquefaction, vaporization, sublimation, condensation, solidification and melting, the key is to clarify their definitions.

<> see the picture, you slowly comprehend it.