what is exothermic reaction
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explain with an example
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Answers
Answer:
An exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." Exothermic reactions usually release heat and entail the replacement of weak bonds with stronger ones.
Explanation:
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Answer:
Exothermic reactions are reactions or processes that release energy, usually in the form of heat or light. In an exothermic reaction, energy is released because the total energy o:
Example:
Burning of a candle:
In the case of burning of candle, the body of the candle carries paraffin, which is a hydrocarbon. When paraffin burns with the flame, it reacts with oxygen to create carbon dioxide and water. This reaction is certainly exothermic as it gives out heat to the atmosphere with the help of other products. The amount of heat released depends on the chemical reaction between the hydrocarbon and oxygen.
In the case of burning of candle, the body of the candle carries paraffin, which is a hydrocarbon. When paraffin burns with the flame, it reacts with oxygen to create carbon dioxide and water. This reaction is certainly exothermic as it gives out heat to the atmosphere with the help of other products. The amount of heat released depends on the chemical reaction between the hydrocarbon and oxygen.