Is this reaction endothermic or exothermic? (1 Viewer)

[leesh95]

2H2O2--> 2H2O + O2

The enthalpy for the reactant is 2144 Kj/mol and for the product is 1424 Kj/mol.

 

[Thief]

Endothermic: Enthalpy Products > Reactants
Exothermic: Enthalpy Reactants > Products

 

[planino]

I'm going to say exothermic cos the products have a lower energy than the reactants (remainder of energy prolly expelled out as heat etc.), but I'm not entirely sure

 

[Thief]

I'm going to say exothermic cos the products have a lower energy than the reactants (remainder of energy prolly expelled out as heat etc.), but I'm not entirely sure

You are correct.

 

[leesh95]

That is what is confusing me. My teacher told me that it was endothermic. Yet in endothermic reactions products have greater energy than reactants.

 

[starshine02]

Exothermic isn't it?