Which of the Following Describes a Nonspontaneous Reaction

If it occurs can be deduced from the Gibbs-free energy values. B The products always have lower entropy than the reactants.


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Consider the reaction 2NaN3 - 2Na 3N2 which is the first reaction that occurs when an air bag expands in a car undergoing a collision.

. All of the above 8. Use the information below to answer the following questions. The Gibbs free energy is less than the activation energy.

Multiple answers are correct A. 1 2 The sign convention for free energy change follows the general convention for thermodynamic measurements in which a release of free energy. Which of the following correctly describes an exergonic reaction.

The energy content increases and the entropy decreases. The intermediate of an endothermic reaction resembles the reactant more than it resembles the product. Negative Delta E 2.

Which of the following statements bests describes how nonspontaneous reactions occur in the body. A non spontaneous reaction needs an external energy to pump the reaction this direction. Spontaneity of chemical change.

Flow of heat from cold body to a hot body. A P E X. In case of nonspontaneous reaction which of the following reaction is favoured.

Which of the following refers to all spontaneous processes. Positive Delta E F. Examples for non-spontaneous reactions are.

The transition state of an exothermic reaction step resembles the reactant more than it resembles the product. GH-TS. A series of enzymes catalyze the reaction X Y Z A.

A Reactions that are not spontaneous do not occur in the body. B is the correct answer. Both forward and reverse B.

A reaction for which ΔG 0 is SPONTANEOUS. A spontaneous process is the time-evolution of a system in which it releases free energy and it moves to a lower more thermodynamically stable energy state. The Gibbs Free Energy is the single unequivocal criterion for.

The Gibbs free energy for the reaction is positive. An example of a nonspontaneous. A non-spontaneous reaction is also called an endergonic reaction meaning that the reaction cannot not occur without energy.

Which of the following represents the of the reaction. KnowledgeComprehension 51 Which of the following bests describes the reaction. The Gibbs free energy is more than the activation energy.

This binding decreases the activity of the enzyme. A spontaneous reaction is an exergonic reaction. The reaction does not need added energy to occur.

Endergonic processes can be pushed or pulled by coupling them to highly exergonic reactions. Entropy is the same 3. The energy content and the entropy both increase.

Diffusion of gas from low pressure to a high pressure. Match following List 1 spontaneous process heat flow from high temperature of system towards low temperature of surroundings exergonic process increase in the randomness of system by heating List 2 Δ H v e Δ G v e Δ t o t a l S v e Δ G v e. An endergonic reaction also called a nonspontaneous reaction is a chemical reaction in which the standard change in free energy is positive and energy is absorbed.

Which of the following would be the same in an enzyme-catalyzed or noncatalyzed reaction. An endergonic reaction also called a nonspontaneous reaction or an unfavorable reaction is a chemical reaction in which the standard change in free energy is positive and energy is absorbed. A negative ³ G spontaneous B positive ³ G nonspontaneous C positive ³ G exergonic D negative ³ G endergonic E ³ G of zero.

B Enzymes make these reactions occur at a reasonable rate. D Activation energy is required for the reaction to proceed. Another example of a non spontaneous reaction is photosynthesis.

The transition state of an endothermic reaction resembles the reactant more than it resembles the product. I assume that your level of chemistry is already good enough for you not needing a definition for Gibbs free energy hence I will go immediately into the calculations. The total amount of energy is a loss it takes more energy to start the reaction than what is gotten out of it so the total energy is a negative net result.

The reaction would result in products C D with a greater free-energy content than in the initial reactants A B. An old car rusting over time is a slow spontaneous reaction. Select all that apply.

Which of the following is likely to describe a metabolic reaction where the net delta G value is positive. A The reaction always occurs quickly. A graph showing the amount of nitrogen gas N2.

Since the atomic number is the number of protons in the nucleus as we move to the left on the periodic table the electrostatic pull between the nucleus and the valence electron shell decreases. 2H2020 2H2O02g ΔΗ--196kl mol-1 AS-126 J K-1 mol-i Select the correct answer below. A reaction is most likely to be spontaneous when during the course of a reaction.

Under the right conditions adding electricity direct current will make hydrogen gas and oxygen gas. 0 O O O nonspontaneous at all temperatures spontaneous at all temperatures spontaneous at high temperatures and nonspontaneous at low temperatures spontaneous at low. Which of the following describes a nonspontaneous reaction.

In which of the following physical states does a given substance have the highest entropy. A nonspontaneous reaction needs an input of energy where as a spontaneous one does not. A reactions spontaneity ie.

Which of the following describes the temperature dependence of the spontaneity of the reaction below. D They are coupled to spontaneous reactions. This reaction happens very quickly as you might suspect.

Do not produce energy that can be used to do useful work. If ΔG 0 the reaction is non-spontaneous. Which of the following is likely to describe a metabolic reaction where the net delta G value is negative.

For example without an external energy source water will remain water forever. As we move down a group vertical column the valence shell energy level gets further and further from the. Product A binds to the enzyme that converts X to Y at a position remote from its active site.

C The heat of the body drives these reactions. Which of the following terms best describes the reaction. What is the example of non spontaneous process.

C The products have lower Gibbs free energy than the reactants. An endergonic reaction also called a nonspontaneous reaction is a chemical reaction in which the standard change in free energy is positive and energy is absorbed.


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