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The freezing of ice is an exothermic reaction because while the water freezes it gathers "cold" and it liberates or releases heat. Enabling the water to freeze. Heat always flows from hot objects to cooler ones until everything is the same temperature.
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∙ 15y ago
Wiki User
∙ 12y agoThis is because the heat energy is given out and so heat is transferred from the system to the surrounding. Whenever heat moves from system to surrounding it is an exothermic and so similarly this process to is an exothermic process.
Wiki User
∙ 13y agoBecause energy is taken from the substance.
Wiki User
∙ 9y agoIn order for ice to form, heat has to be removed from liquid water. Otherwise, the water will remain liquid and ice will not form. Thus, heat is given off.
Wiki User
∙ 12y agoFreezing isn't a reaction, but it is an exothermic process.
Wiki User
∙ 14y agoThe freezing of any thing is an exothermic process because during this process he K.E of molecules decreases which appears as the heat energy and expelled out from the system.
Wiki User
∙ 7y agoexothermic
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Why do they put salt on snow?
The salt and water create a chemical reaction which causes the waters' temperature to be lowered so reducing its freezing point.
How does water change into snow?
When water (or rain) is in an area of a temperature below freezing the molecules contract, or come together, as a reaction. This turns the water into a solid and it becomes snow. Hope that helped. :)
Water drops that fall when the temperature is above freezing?
rain because if its above freezing then it wont be snow or freezing rain because they would freeze below freezing and not above freezing:)
Is freezing a physical change?
yes freezing is a physical change.
What is oxygen's freezing point?
oxygen's freezing point is 222.65 degrees Celsius
Is freezing Mountain Dew a physical reaction?
yes
Why are physical processes like freezing and boiling not chemical reaction?
Freezing and boiling do not change the chemistry in the process.
Freezing involves a chemical reaction?
No, freezing involves phase change, which is a physical change. There is no chemical reaction, as the basic chemistry is unchanged it is still the same material in a different physical state.
What is the reaction of salt in the water at freezing temperature?
Salt doesn't react with water.
Is a substance freezing a chemical reaction?
No, freezing water is not a chemical reaction. It is a physical change which water undergoes at temperatures below 0oC. At higher temperature the ice melts back to water again.
Is ice cubes forming in the freezer a chemical reaction?
No, freezing water is a physical change, not a chemical one since no chemical reaction takes place. The water molecule (H2O) remains the same even though the physical state changes from a liquid to a solid.
What is the process of freezing?
The chemical process of freezing is called endothermic reaction. What this basically means is that a liquid form transforms into a solid form when introduced to very cold temperatures.
Is Change of milk into curd exothermic or endothermic?
It is an endothermic reaction. It absorbs heat while freezing.
What is a chemical property hardness ability to react with oxygen color or freezing point?
Oxidation or reaction with oxygen is a chemical property
What cause orange juice to freeze?
There is no Chemical Reaction involved in the freezing of apple juice. It is purely a Physical change. However, if the apple juice has fermented into hard cider (a Chemical Reaction) freezing it will cause the alcohol to separate as Apple Jack (a liquid) and the remainder of the cider will solidify ... again a Physical change.
What is a food safety benefit to freezing food?
to maintain some freshness of the food and to reduce some micro organisms reaction in the food.
Why do they put salt on snow?
The salt and water create a chemical reaction which causes the waters' temperature to be lowered so reducing its freezing point.
