Which statement describes characteristics of an endothermic reaction ?

Which statement describes characteristics of an endothermic reaction ?
1. The sign of H is positive, and the products have less potential energy than the reactants.
2. The sign of H is positive, and the products have more potential energy than the reactants.
3. The sign of H is negative, and the products have less potential energy than the reactants.
4. The sign of H is negative, and the products have more potential energy than the reactants.
 
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