1. Explain reactions qualitatively in terms of molecular collisions. 2. Explain activation energy and how a catalyst affects the reaction rate.

Q: Which is true about catalyzed reactions? O All of the choices Catalyst lowers the activation energy…

A: Catalyst- Any substance that increases the rate of a reaction without itself being consumed. Enzymes…

Q: What is the role of the activated complex in a chemicalreaction?

A: The role of activated complex in a chemical reaction has to be given.

Q: Explain how the activation energy affects a rate and be able touse the Arrhenius equation?

A: From the Arrhenius equation, the rate of the reaction is related to the activation energy as…

Q: Consider the reaction data.   A⟶products ?  (?) ?  (?−1) 225 0.390 525 0.750 What two points…

A: Generally, the conversion of reactants into the products should accompany with the energy barrier.…

Q: Explain how/why reducing the concentration affects rate terms of collision theory

A: Collision theory explains how most reaction rates increases as concentration increases.  With an…

Q: From the given picture 1.) Define endothermic reaction and exothermic reaction 2.) Differentiate…

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Q: Why are homogeneous catalysts harder to sepårate from products and leftover reactants than are…

A: Catalysts are the chemical compounds which are used in the chemical reaction which increases the…

Q: Part 1: What do these parameters stand for? Explain the meaning of these parameters briefly. Which…

A: In a reaction, the rate kinetics or the way the reactant react was described by theories such as…

Q: 2.  This theory tells that the reactant should for an activated complex and overcome the energy of…

A: For the given problem we have to ask that which theory tells that the reactant should for an…

Q: c) What is the activation energy in each direction? rate of the reverse reaction?

A: C) activation energy in forward direction= energy of activated comlpex-energy of rectants=…

Q: For an endothermic reaction, which statement is true? Group of answer choices The activation…

A: The reaction in which the heat is given to the system is known as the endothermic reaction. The…

Q: Define the term activated complex and explain its significance in a chemical reaction.

A: Activated complex is a stage that comes in the path of reactants getting converted to products.

Q: Explain how the activation energy for the forward and the reverse reactions are similar and how they…

A: Activation energy: When the reactant molecule converts into the products, they required the minimum…

Q: Which change does not increase the value of the rate constant for a reaction? (A) decreasing the…

A: The relationship rate constant of any reaction is given by  where K = rate constant  A = frequency…

Q: Define the term activation energy. Using diagrams, explain how the presence of a catalyst can help…

A: Activation energy (Ea): Products are formed only when reactant molecules come close and collide with…

Q: Discuss trapping of intermediates with at least three examples to determine chemical reaction?

A: A reactive intermediate is a very short-lived, high-energy, highly reactive molecule. When reactive…

Q: If two reactant particles collide with less than the activation energy required, what happens?

A: According to collision theory, the reactant particles must collide with sufficient energy to break…

Q: If the temperature of a reaction is increased, the rate also increases. Which best explains why this…

A: 1) An increase in temperature typically increases the rate of reaction. 2) An increase in…

Q: How does the collision theory explain the effect of temperature on rate of reaction? a. b. Describe…

A: 7.  a. We have to tell the effect of the temperature on the rate of a reaction, according to the…

Q: Addition of a catalyst to a reaction lowers the activation energy of at least one step in the…

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Q: happened to the rate of the reaction when the concentration was increased? in the effect of…

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Q: Explain how an increase in temperature will affect the activation energy and the rate of the…

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

Q: What is the heat of reaction? Is the reaction exothermic or endothermic? Are the reactants (A + B)…

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Q: Explain how the activation energy for the forward and the reverse reactions are similar

A: Activation  energy is the amount of energy required to activate the molecules. Activation Energy of…

Q: Describe how the particles of two substances interact when mixed. Be sure to discuss the activation…

A: Chemical kinetics is the study of the rates of chemical reactions or how fast reactions occur. The…

Q: (a)Describe the main postulates of transition state theory and alsoDerive the equation to prove that…

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Q: How are the following aspects of a reaction affected by the addition of a catalyst? Increased…

A: The catalyst is a chemical species that increases the rate of a chemical reaction and it does not…

Q: Chemical reactions occur when reactants collide. What are two factors that may prevent a collision…

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Q: Activation energy of uncatalyzed reaction and the catalyzed reaction A. If the first quantity is…

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Q: Describe two ways to make a chemical reaction proceed faster, and explain why the rate increases…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rate of chemical…

Q: A reaction mechanism that has three steps will have how many reaction intermediates?

A: Let us consider a three steps reaction: Step 1. A→BStep 2. B→CStep 3. C→D or this can be written as…

Q: How do we determine reaction mechanisms?

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: Which of the following is correct regarding collision theory? All molecular collisions result in…

A: To identify: The correct statement regarding the collision theory.

Q: Addition of a catalyst to a reaction lowers the activation energy of at least one step in the…

A: Concept Introduction: A substance that helps a chemical reaction to proceed faster.

Q: collision theory of reaction rates states that the rate of a reaction depends on the number of…

A: We should not be surprised that atoms, molecules, or ions must collide before they can react with…

Q: 1. What is referred to as the change in the reactant or a product with time? A.) Chemical reaction…

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Q: Catalysts function by decreasing the required to form the transition state: Activation energy (A)…

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Q: 5. The collision theory of reaction rates states that the rate of a reaction depends on the number…

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Q: How does collision orientation affect the rate of a reaction

A: Reaction rate, in chemistry, the speed at which a chemical reaction proceeds. Collision theory used…

Q: catalyst speeds up a chemical reaction by lowering the reaction’s activation energy. Explain why/how…

A: The activation energy and the rate of reaction are inversly proportional. And catalalyst plays a…

Q: Which of the following is NOT a reason why a catalyst can speed up a reaction? a.  Increasing the…

A: Option (b) is the answer.

Q: . a. Explain in your own words, what is meant by the term "activation energy." b. How can the idea…

A: 1.a  Activation energy is the minimum amount of energy required to start a chemical reaction.…

Q: Explain the reaction by observing the sets of molecular collision

A: Given: The representation of the chemical reaction is provided. The given representation can be…

Q: A. Why does catalyst is the factor that has the greatest impact on the rate of reaction in "exhaust…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How does catalyst affect the rate of reaction? What happens to the activation energy with the…

A: To explain: the effect of catalyst on the rate of reaction? effect of catalyst on activation…

Q: From the reading: Describe the conditions for successful collisions that cause reactions. Describe…

A: Collision theory of reaction rates.

Q: What is the difference between exergonic and exothermic? What is the difference between intermediate…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Factors that affect the rate of reaction •What are some ways we can increase the speed of a…

A: To explain: Some factors that can increase the rate of a reaction or speed of a reaction.