Q. 12 Explain endo thamic and exothermic are ction with examples.
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ExplanatioAll chemical reactions involve the transfer of energy. Endothermic processes require an input of energy to proceed and are signified by a positive change in enthalpy. Exothermic processes release energy upon completion, and are signified by a negative change in enthalpy.n:
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endothermic reaction:--
An endothermic reaction is any chemical reaction that absorbs heat from the environment .
- example:-- dissolving a salt . it doesn't have to be table salt , nor does the solvent need to be water
exothermic reaction:--
A reaction that is chemical in nature and is characterized by the release of energy in the form of heat or light is called exothermic reaction.
- example:-- matching a light using matchstick.
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