Question

Which statements about the reaction are true? Select all that apply. The reaction is exothermic The reaction is endothermic The equation shows that 891 kJ of energy are released as a product. The equation shows that 891 kJ of energy are absorbed as a reactant. The graph shows that the reactants have greater potential energy than the products.

Answer 1

The statements true for the reaction are A, C, and E.

The potential energy diagram of the following reaction has been given:

$\rm CH_4\;+\;2\;O_2\;\rightarrow\;2\;H_2O\;+\;CO_2\;+\;891\;kJ$

The reaction has been given to form water and carbon dioxide, along with the release of 891 kJ of energy.

Statements for the reaction

The endothermic reaction is  the type of reaction that absorbed the energy from the system, while exothermic reaction released energy in the system.

The given system has releasing 891 kJ of energy. Thus, it has been an exothermic reaction.

The equation has been representing the 891 kJ of energy as the product. Thus, it has been released in the reaction as product.

The potential energy graph has been representing that the energy of the reactant has been higher than the product.

Thus, the statements true for the reaction are A, C, and E.

Learn more about potential energy, here:

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