Energy and chemical change

Descrição

Energy is exchanged or transformed in all chemical reactions and physical changes of matter. Thermodynamics is the science of heat or energy flow on chemical reactions
Yolanda Ngolomi
Mapa Mental por Yolanda Ngolomi, atualizado more than 1 year ago
Yolanda Ngolomi
Criado por Yolanda Ngolomi quase 9 anos atrás
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Resumo de Recurso

Energy and chemical change

Anotações:

  • energy cannot be created or destroyed it can only change form
  • there are two main types of chemical reactions
  • energy changes occur during chemical reaction
  1. endothermic reaction
    1. a reaction in which energy is absorbed
      1. change in enthalpy is negative
        1. an example of this is respiration
          1. this is the process through which cells obtain energy from organic compounds
            1. another example is combustion of fuels