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Examine the potential energy diagram below.

Created for Copyright 2016. All rights reserved.

The diagram illustrates the energy displacement that occurs during the combustion of methane.

Which of the following statements is TRUE?


The reaction is endothermic.


The energy released by the system is transferred to the surroundings.


Energy is absorbed by the reacting molecules in order to form the products.


The difference in energy between the reactants and products is referred to as the activation energy.

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