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Endothermic or Exothermic??

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Presentation on theme: "Endothermic or Exothermic??"— Presentation transcript:

1 Endothermic or Exothermic??

2 Endothermic or Exothermic??
ΔH° = - 97kJ Freezing Cool pack Temperature of the surroundings decreases 129 kJ is a reactant N2 + O2 → 2NO kJ Heat is absorbed ΔH° = + 76kJ Temperature of the surroundings increases Condensation

3 Endothermic or Exothermic??
ΔH° = - 97kJ Freezing Cool pack Temperature of the surroundings decreases 129 kJ is a reactant N2 + O2 → 2NO kJ Heat is absorbed ΔH° = + 76kJ Temperature of the surroundings increases Condensation Exothermic Exothermic Exothermic Endothermic Endothermic Endothermic Endothermic Endothermic Exothermic Endothermic Endothermic Exothermic Exothermic

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