When water becomes a solid, it releases heat, warming up its surroundings. This makes freezing an exothermic reaction.
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Why is water freezing endothermic?
Answer and Explanation: The process of water freezing involves the movement of water molecules towards each other. Hence, the molecules come closer to each other, and in the process, they release energy. Hence, it is an exothermic process.
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Is freezing always exothermic?
Freezing is almost always an exothermic process, meaning that as liquid changes into solid, heat and pressure are released.
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Is water freezing to ice exothermic?
Exothermic reactions release energy (in the form of heat) into their surroundings. Examples of exothermic reactions include lighting matches, campfires, etc. In fact, water freezing into ice is also exothermic. As water releases heat into its surroundings, its temperature lowers to its freezing point and ice is formed.
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Is freezing water with dry ice endothermic or exothermic?
Dry ice is a common name used to refer to solid carbon dioxide which undergoes sublimation into the gas phase at room temperature. The phase transition of a solid to a liquid or to a gas involves the absorption of heat. Hence, these processes are considered endothermic.
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Is freezing of water exothermic or endothermic?
The freezing of water is an endothermic process. Heat must be removed from the water to make it freeze.
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Is freezing always exothermic?
Freezing is almost always an exothermic process, meaning that as liquid changes into solid, heat and pressure are released.
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Is freezing water with dry ice endothermic or exothermic?
Dry ice is a common name used to refer to solid carbon dioxide which undergoes sublimation into the gas phase at room temperature. The phase transition of a solid to a liquid or to a gas involves the absorption of heat. Hence, these processes are considered endothermic.
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Why is water freezing endothermic?
Answer and Explanation: The process of water freezing involves the movement of water molecules towards each other. Hence, the molecules come closer to each other, and in the process, they release energy. Hence, it is an exothermic process.
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Why is freezing and condensing exothermic?
Exothermic means heat out. Condensation like freezing releases heat. The gaseous molecules must release large amounts of kinetic energy to slow down enough to form the temporary bonds required to become a liquid. The extra heat goes out of the system into the surrounding environment.
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Why is water an endothermic reaction?
The process of boiling water is endothermic. This is mostly because heat must be applied in order for water to boil. Endothermic chemical reactions are those in which the reactants take in heat energy from their environment to create products.
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Why would an endothermic reaction be cold?
An endothermic reaction is any chemical reaction that absorbs heat from its environment. The absorbed energy provides the activation energy for the reaction to occur. A hallmark of this type of reaction is that it feels cold.
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Why is water melting into a liquid endothermic?
This energy breaks down the rigid bonds in the ice, and causes the water molecules to move quicker and collide more often. As a result, the temperature of the ice rises and it turns into water! Basically, melting ice is an endothermic reaction because the ice absorbs (heat) energy, which causes a change to occur.
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Is dry ice in water endothermic or exothermic?
Thus, sublimation of dry ice requires input of heat energy. Hence, it is an endothermic process.
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Is freeze drying endothermic?
Because this process absorbs energy, it is endothermic.
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How sublimation of dry ice is exothermic or endothermic?
Hence, sublimation is an endothermic reaction.
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Is freezing an exothermic or endothermic?
When water becomes a solid, it releases heat, warming up its surroundings. This makes freezing an exothermic reaction.
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Is water freezing to ice exothermic?
Exothermic reactions release energy (in the form of heat) into their surroundings. Examples of exothermic reactions include lighting matches, campfires, etc. In fact, water freezing into ice is also exothermic. As water releases heat into its surroundings, its temperature lowers to its freezing point and ice is formed.
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Can an endothermic reaction be cold?
An endothermic reaction is any chemical reaction that absorbs heat from its environment. The absorbed energy provides the activation energy for the reaction to occur. A hallmark of this type of reaction is that it feels cold.
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Which process is always exothermic?
Adsorption is always exothermic.
