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Endothermic and exothermic reactions

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  • ΔH for exothermic reaction is positive sign or negative sign?
    negative sign
  • Photosynthesis reaction is an ____________ reaction.
    endothermic
  • Neutralisation reaction is an ____________ reaction.
    exothermic
  • Heat decomposition of metal carbonate is an ____________ reaction.
    endothermic
  • Dissolving sodium hydroxide in water is an ____________ reaction.
    exothermic
  • Respiration reaction is an ____________ reaction.
    exothermic
  • Heat decomposition of metal nitrate is an ____________ reaction.
    endothermic
  • ΔH for endothermic reaction is positive sign or negative sign?
    positive sign
  • Dissolving ammonium salt in water is an ____________ reaction.
    endothermic
  • Unit for ΔH is _________
    kJ / mol
  • Oxidation of metal is an ____________ reaction.
    exothermic
  • Combustion of fuel is an ____________ reaction.
    exothermic
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