Modeling Energy Answer the following questions by writing your response in the space provided or by underlining or circling the correct answer choice(s). 1. If the chemical reaction AB+CDarrow AD+BC releases heat, what is true of the chemical potential energy of the reactants and products? (A.) The potential energy of the reactants is higher than the potential energy of the products. B. The potential energy of the reactants is lower than the potential energy of the products. C. The potential energy of the reactants is the same as the potential energy of the products. D. Neither the reactants nor the products have potential energy. 2. How do endothermic reactions impact the overall kinetic energy of the molecules? Select all that apply. A. Energy is absorbed during an endothermic reaction. B. Energy is released during an endothermic reaction. C. An endothermic reaction increases the overall kinetic energy of the molecules. D. An endothermic reaction reduces the overall kinetic energy of the

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Modeling Energy Answer the following questions by writing your response in the space provided or by underlining or circling the correct answer choice(s). 1. If the chemical reaction AB+CDarrow AD+BC releases heat, what is true of the chemical potential energy of the reactants and products? (A.) The potential energy of the reactants is higher than the potential energy of the products. B. The potential energy of the reactants is lower than the potential energy of the products. C. The potential energy of the reactants is the same as the potential energy of the products. D. Neither the reactants nor the products have potential energy. 2. How do endothermic reactions impact the overall kinetic energy of the molecules? Select all that apply. A. Energy is absorbed during an endothermic reaction. B. Energy is released during an endothermic reaction. C. An endothermic reaction increases the overall kinetic energy of the molecules. D. An endothermic reaction reduces the overall kinetic energy of the

Answer 1

### 1. A. The potential energy of the reactants is higher than the potential energy of the products.### 2. A. Energy is absorbed during an endothermic reaction.### 2. D. An endothermic reaction reduces the overall kinetic energy of the molecules.

Answer 2

## Step1: Understanding the Chemical Reaction and Heat Release### When a chemical reaction releases heat, it is exothermic. This implies that the chemical potential energy of the reactants is higher than that of the products because energy is released as the reaction proceeds.## Step2: Identifying the Correct Option for Question 1### Given the exothermic nature of the reaction, the correct statement is that the potential energy of the reactants is higher than the potential energy of the products.## Step3: Understanding Endothermic Reactions### In an endothermic reaction, energy is absorbed from the surroundings, which means that the overall kinetic energy of the molecules decreases as energy is taken in to facilitate the reaction.## Step4: Identifying the Correct Options for Question 2### Based on the definition of endothermic reactions, the correct statements are that energy is absorbed during an endothermic reaction and that an endothermic reaction reduces the overall kinetic energy of the molecules.

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