The phase change in which a substance changes from a gas to liquid is Condensation.
There are 3 natural states of matter;
Solids, Liquids, and Gases.
Matter under certain conditions can change from one state to another. When Solids are heated they change into Liquids through the process of Heating. Upon cooling, the Liquids convert to Solid through freezing. When a Liquid such as water is heated, it converts into the Gaseous state through evaporation. Upon cooling, the Gas converts back into the Liquid state through Condensation.
1. Which of the following are pure substances? Compounds
2. A substance that cannot be broken into similar substances is called a(n)... Element
3. When a physical change in a sample occurs, which of the following does NOT change? Composition
4. Which of the following will cause a decrease in gas pressure in a closed container? Lowering the temperature
5. The heat of fusion for water is the amount of energy needed for water to... Melt
6. The phase change in which a substance changes from a gas directly to a solid is... Deposition
7. Which of the following phase changes is an exothermic change? sublimation
8. Which of the following has the highest viscosity? Corn Syrup
9. In which of the substances in the figure below are the forces of attraction among the particles so weak that they can be ignored under ordinary conditions? It is the one where the particles are more apart.
2. Heat flows from the warmer to the cooler object until they are both at the same temperature. The slower molecules gain more thermal energy and collide with other molecules in the cooler object. This process continues until heat energy from the warmer object spreads throughout the cooler object.
3. Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase.
Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase. Deposition: the substance changes directly from a gas to a solid without going through the liquid phase.
is the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first. When a gas or vapor changes directly into a solid without first changing to a liquid, the phase change is called deposition.
1. The phase change in which a substance changes from a liquid to a gas is condensation. The correct option among all the options given is option "c".
2. The phase change in which a substance changes from a solid to a liquid is melting. The correct option among all the options given is option "b".
3. The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is sublimation. The correct option is option "a".
Explanation: There are three states of matter, namely solid , liquid and gas.
In solid the particles are closely packed as the inter molecular forces of attraction are strongest. as they are heated, the kinetic energy of the molecules increases and thus the molecules start moving farther and convert to liquid state. The process is called melting.
When liquid is further heated, the molecules gain more kinetic energy and molecules move farther and convert to gaseous state and the process is called vaporization.
When a solid directly converts to gaseous state without changing into liquid first is called sublimation. Example: Napthalene
Condensation
Explanation:
The phase change in which a substance changes from a gas to liquid is Condensation.
There are 3 natural states of matter;
Solids, Liquids, and Gases.
Matter under certain conditions can change from one state to another. When Solids are heated they change into Liquids through the process of Heating. Upon cooling, the Liquids convert to Solid through freezing. When a Liquid such as water is heated, it converts into the Gaseous state through evaporation. Upon cooling, the Gas converts back into the Liquid state through Condensation.
Properties and States of Matter Practice
1. Which of the following are pure substances? Compounds
2. A substance that cannot be broken into similar substances is called a(n)... Element
3. When a physical change in a sample occurs, which of the following does NOT change? Composition
4. Which of the following will cause a decrease in gas pressure in a closed container? Lowering the temperature
5. The heat of fusion for water is the amount of energy needed for water to... Melt
6. The phase change in which a substance changes from a gas directly to a solid is... Deposition
7. Which of the following phase changes is an exothermic change? sublimation
8. Which of the following has the highest viscosity? Corn Syrup
9. In which of the substances in the figure below are the forces of attraction among the particles so weak that they can be ignored under ordinary conditions? It is the one where the particles are more apart.
Explanation:
1. physical change
2. Heat flows from the warmer to the cooler object until they are both at the same temperature. The slower molecules gain more thermal energy and collide with other molecules in the cooler object. This process continues until heat energy from the warmer object spreads throughout the cooler object.
3. Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase.
4. "Dry ice" or solid carbon dioxide sublimes
Explanation:
Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase. Deposition: the substance changes directly from a gas to a solid without going through the liquid phase.
freezing. Think of what happens when you put water in the freezer
SUBLIMATION
is the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first. When a gas or vapor changes directly into a solid without first changing to a liquid, the phase change is called deposition.
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The phase change in which a substance changes from a gas directly to a solid is nominated "deposition".
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1. would be deposition
2.sublimation
1. The phase change in which a substance changes from a liquid to a gas is condensation. The correct option among all the options given is option "c".
2. The phase change in which a substance changes from a solid to a liquid is melting. The correct option among all the options given is option "b".
3. The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is sublimation. The correct option is option "a".
1. d. vaporization
2. b. melting
3. a. sublimation
Explanation: There are three states of matter, namely solid , liquid and gas.
In solid the particles are closely packed as the inter molecular forces of attraction are strongest. as they are heated, the kinetic energy of the molecules increases and thus the molecules start moving farther and convert to liquid state. The process is called melting.
When liquid is further heated, the molecules gain more kinetic energy and molecules move farther and convert to gaseous state and the process is called vaporization.
When a solid directly converts to gaseous state without changing into liquid first is called sublimation. Example: Napthalene