Which of the following describe(s) an exergonic reaction?
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Which of the following describe(s) an exergonic reaction?
energy is released
non-spontaneous
energy is absorbed
spontaneous
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- The capacity to do work best defines: a metabolic pathway. entropy. kinetic or potential energy. a chemical equilibrium. thermodynamics.In which of the following conditions is the Gibbs free energy negative? O reaction is at equilibrium process is spontaneous O reaction is exothermic O process is not spontaneousA spontaneous reaction doesn't have an activation energy. True or false? True or False
- What is a key characteristic of exergonic reactions? They consume energy. They require glucose fusion. Their products have more energy than the reactants. They release energy that can be used by cells. They involve the formation of bonds.For a reaction to be spontaneous, which of the following factors should have a negative sign? A Enthalpy and A Entropy A Temperature A Gibbs Free Energy and A Enthalpy AGibb's Free Energy, AEnthalpy and A Entropy SellIn a transition state diagram, which of the following are features of the transition state (TS)? There may be more than one correct answer, select all that apply. The change in energy in ground state to the transition state represents the Gibbs Free Energy If the reaction is reversible, the TS will only progress forward to form products The TS occupies a trough The TS is associated with the highest energy The TS occupies the highest peak
- This reaction is exergonic because the reactants have more potential energy than the products.In the diagram, notice the y-coordinate (energy) of A + B; also notice how C is at a lower y-coordinate. Their difference is the amount of energy during the exothermic reaction. A+B Activation Energy Reaction Progression EnergyWhich of the following is true of exergonic reactions? Energy of the products is lower than the energy of the reactants These reactions generally do not occur spontaneously Photosynthesis is an example Is a reaction that requires the net input of energy Energy of the products is higher than the energy of the reactants
- Which of the following statements is false regarding an enzyme's ability to catalyse a reaction? an enzyme provides a reaction surface and a hydrophilic environment for the reaction to take place an enzyme binds reactants such that they are positioned correctly and can attain their transition-state configurations an enzyme allows the reaction to go through a more stable transition state than would normally be the case an enzyme can weaken bonds in reactants through the binding processA reaction that has ΔH>0 and ΔS>0 is: exergonic if T < ΔH/ΔS. always exergonic. freely reversible. always endergonic. exergonic if T > ΔH/ΔS.Which one of the following statements is completely TRUE? O When AG > 0, the reaction is BOTH product-favored (spontaneous) AND endergonic. When AG 0, the reaction is BOTH reactant-favored (nonspontaneous) AND endergonic. When AG > 0, the reaction is BOTH product-favored (spontaneous) AND exergonic. When AG > 0, the reaction is BOTH reactant-favored (nonspontaneous) AND exergonic. When AG < 0, the reaction is BOTH reactant-favored (nonspontaneous) AND exergonic.
