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The heat reaction can be given as a ΔrH value WHERE of the equation
Outside
The sign on ΔrH is WHAT since the enthalpy of the system is WHAT
The sign on ΔrH is NEGATIVE since the enthalpy of the system is DECREASING
In an exothermic reaction enthalpy is included as a WHAT
Product
Potential energy diagrams shows the potential energy of the WHAT and the WHAT of a chemical reaction
Potential energy diagrams shows the potential energy of the REACTANTS and the PRODUCTS of a chemical reaction
Reactants have more WHAT than the WHAT in an exothermic reaction
Reactants have more POTENTIAL ENERGY than the PRODUCTS in an exothermic reaction
The difference between the reactants and products is the WHAT
ΔrH
products have WHAT Ep than the reactants, therefor energy has been WHAT to the surroundings
products have LESS Ep than the reactants, therefor energy has been LOST to the surroundings
