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