In an energy diagram for an exothermic chemical reaction which of the following is true? Group of answer choices The energy of the products is higher than that of the reactants. The energy of the transition state is lower than that of the reactants. The energy of the products is lower than that of the reactants. an exothermic reaction requires energy to proceed.

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1. Define each of the following for a chemical reaction: Favored Non-favored Exothermic Endothermic AH AE

Consider a hypothetical chemical reaction: A+B → C+D (In this equation A, B, C and D stand for some unknown chemical formulas.) Here is an energy diagram for the reaction: energy (kJ/mol) 400 300- 200- 100. 0 A+B C + D reaction coordinate Use the energy diagram to answer these questions. What is the heat of reaction? Is the reaction exothermic or endothermic? Are the reactants (A+B) or the products (C+D) more chemically stable? kJ/mol O Exothermic Endothermic Neither Reactants (4+B) O Products (C+D) Neither

Is the combustion of chicken fat endothermic or exothermic? Explain.

What is the compund formed from this reaction?

In order to break water into hydrogen and oxygen, water is heated to more than 500°C. Which kind of reaction is this and why? It is exothermic because heat needs to be released by the reactants to form the products. It is endothermic because heat needs to be released by the reactants to form the products It is exothermic because heat needs to be absorbed by the reactants to form the products. It is endothermic because heat needs to be absorbed by the reactants to form the products.