In an endothermic reaction, the value of ΔH is always________ - Q&A

Answer:

In an endothermic reaction, the value of ΔH is always positive.

Endothermic reactions

  • Endothermic reactions are chemical reactions in which the reactants absorb heat from the environment to produce products.
  • These reactions cause a cooling effect by lowering the temperature of the surrounding region.
  • When an endothermic reaction carried out at constant temperature and constant pressure the heat absorbed increases the enthalpy of the products, so the value of ΔH is always < 0.

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