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exothermic    音标拼音: [,ɛksoθ'ɚmɪk]
a. 发热的,放出热量的

发热的,放出热量的

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  • Exothermic process - Wikipedia
    In an exothermic reaction, the activation energy (energy needed to start the reaction) is less than the energy that is subsequently released, so there is a net release of energy
  • 7. 3: Exothermic and Endothermic Reactions - Chemistry LibreTexts
    A chemical reaction is exothermic if heat is released by the system into the surroundings Because the surroundings is gaining heat from the system, the temperature of the surroundings increases
  • Exothermic Reactions - Definition and Examples
    An exothermic reaction is defined as a reaction that releases heat and has a net negative standard enthalpy change Examples include any combustion process, rusting of iron, and freezing of water
  • Endothermic and Exothermic Chemical Reactions - ThoughtCo
    Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively Photosynthesis is a good example of an endothermic reaction
  • Understanding Endothermic and Exothermic Reactions
    Exothermic reaction: Releases heat (feels hot) These energy exchanges are part of a broader field known as thermochemistry, which studies the heat involved in chemical and physical processes
  • Exothermic Reaction: Definition, Equation, and Examples
    A chemical reaction is said to be exothermic when it releases energy in the form of heat The system (reaction) releases heat to the surroundings as the reactants transform into products
  • What are exothermic and endothermic reactions? - BBC Bitesize
    When a chemical reaction happens, energy is transferred to or from the surroundings When energy is transferred to the surroundings, this is called an exothermic reaction and usually feels hot
  • Exothermic and endothermic reactions - Student Academic Success
    If energy is released by a reaction, the reaction is exothermic If energy is absorbed by a reaction, the reaction is endothermic When petrol burns via a combustion reaction, the energy released can be used to power a car Combustion reactions release energy to the environment and so are exothermic reactions
  • Endothermic vs. Exothermic Reactions - ChemTalk
    If the reaction is exothermic, we need to decrease the temperature to favor the products, because the reaction generates heat Raising temperature for exothermic reactions, or lowering temperature for endothermic reactions, causes the reaction to go backwards, assuming the reactions are reversible





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