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Endothermic vs. Exothermic: Unraveling Heat Changes in Chemical Reacti

Chapter 12, Problem 21Q

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QUESTION:

Is the melting of ice endothermic or exothermic? What is the sign of \(\Delta H\) for the melting of ice? For the freezing of water?

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QUESTION:

Is the melting of ice endothermic or exothermic? What is the sign of \(\Delta H\) for the melting of ice? For the freezing of water?

ANSWER:

Solution 21Q

Step 1:

Here, we have to state if  the melting of ice endothermic or exothermic? And mention the sign of ∆H for the melting of ice and for the freezing of water.

So first let’s see what is endothermic and exothermic process :

Endothermic process is a process or reaction in which the system absorbs energy from the surroundings in the form of heat.

Exothermic process is viceversa, It is the process or reaction in which the system gives out the energy to the surroundings in the form of heat.

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Endothermic vs. Exothermic: Unraveling Heat Changes in Chemical Reacti
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Explore the intricacies of endothermic and exothermic reactions through everyday examples. Delve into the energy dynamics of ice melting and water freezing, while emphasizing the importance of the heat change (?H) in these processes.


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