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a.
To determine:
The classification of the reaction in which the reactants involved have lower energy than the products formed as being exergonic or endergonic in nature.
Concept Introduction:
b.
To determine:
The classification of the reaction in which the products formed have lower energy than the reactants involved as being exergonic or endergonic in nature.
Concept Introduction:
Thermodynamics is the branch of chemistry which studies the difference of heat and energies of product and reactant in the chemical reaction. Therefore, the sign of free energy change and heat change for a given chemical reaction is predicted by using the concept of thermodynamics.
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Chapter 5 Solutions
EBK LABORATORY MANUAL FOR GENERAL, ORGA
- Draw an energy diagram graph for an endothermic reaction where no catalyst is present. Then draw an energy diagram graph for the same reaction when a catalyst is present. Indicate the similarities and differences between the two diagrams.arrow_forward. A(n) _______ speeds up a reaction without being consumed.arrow_forwardWhich of the following corresponds to the fastest reaction at room temperature? A. O 100 in Progress of the reaction C OD. 107 Progress of the reaction Progress of the reaction Progress of the reactionarrow_forward
- What does it mean if Keg = 1? A. Products are favored over reactants in the reaction. O B. Products and reactants are equally favored in the reaction. C. All of the reactants have turned into products in the reaction. D. Reactants are favored over products in the reaction.arrow_forwardCompound A can be converted to either B or C. The energy diagrams for both processes are drawn on the graph below. a.Label each reaction as endothermic or exothermic. b. Which reaction is faster? c. Which reaction generates the product lower in energy? d.Which points on the graphs correspond to transition states? e. Label the energy of activation for each reaction. f. Label the ΔHo for each reaction.arrow_forwardThe reaction diagram shown represents which type of reaction? Reaction Coordinate One-step, fast, exergonic a. One-step, fast, endergonic b. Two-step, fast, endergonic C. Two-step, slow, exergonic d. One-step, slow, exergonic е. Energyarrow_forward
- What happens to the reaction rate if the energy of the product is lowered?arrow_forwardHow does a decrease in the temperature of a chemical reaction affect the reaction rate? The reaction rate does not change. The reaction rate increases. The reaction rate decreases. How does an increase in the reactant concentration affect the reaction rate of a chemical reaction? The reaction rate decreases. The reaction rate increases. The reaction rate does not change.arrow_forwardWhat would be the effect of heating on the equilibrium condition of an endothermic reaction? 1. None 2. Product formation is disfavored 3. The reaction becomes reversible 4. If it favors product formationarrow_forward
- Illustrate a three-step energy diagram using the following: a . It has two starting reactants forming a single product.b. The second step is the rate-determining step.c. The second intermediate is more stable intermediate than the first.d. The reaction is endothermic.arrow_forwardlonic compounds and organic compounds usually undergo spontaneous chemical reactions, depending on the nature of the reaction. Among organic compounds, what energy barrier prevents chemical reactivity to manifest? a. Chemical energy b. Activation energy c. Endothermic reaction d. Exothermic reaction Among covalent bonds in organic compounds, which type of bond requires the greatest energy to be disrupted? a. Ionic bond b. Single bond c. Double bond d. Triple bond Based on chemical reactivity, organic molecules which have free pi bonds are classified as a. Positive b. Negative c. Electrophiles d. Nucleophilesarrow_forwardThe broken line on the energy diagram indicates that Select one: N a. more reactants have been added Ob. the pressure of the system has decreased O c. the temperature of the reaction has increased O d. a catalyst has been added Reactants Reaction coordinate Productsarrow_forward
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