Heat Answers

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How is the temperature of a substance related to the kinetic energy of its molecules? Select all that apply.

As the kinetic energy of molecules increases, the temperature decreases.

As the kinetic energy of molecules increases, the temperature increases.

Temperature is a measure of the average electromagnetic energy of molecules in the substance.

Temperature is a measure of the average kinetic energy of molecules in the substance.

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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.

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