a. What effect does a catalyst have on the activation energy of a reaction? b. What effect does a catalyst have on the change in free energy of a reaction? c. What effect does a catalyst have on the mechanism of a reaction?

Q: A catalyst is a reactant in an equation. *       A. True       B. False

A: The answer is (B) False

Q: Gibb's Free Energy is   a. the spontaneous energy of a reaction   b. the chemical energy that can…

A: In a chemical or physical change, the Gibbs free energy is a useful quantity that used in the…

Q: Which of the following statements about catalysts is FALSE? A) Catalysts work by changing the…

A: Let us discuss some points related to catalyst and then we can solve the question.

Q: n studying a reaction that goes to completion (this is not a reversible reaction) what happens to…

A: For a reaction  aA + bB →cC + dD Rate is given as Rate = K[A]a [B]b

Q: ising the temperature b. Adding a catalyst c. Increasing the concentration of the reactants d.…

A: Chemical kinetics deals with the changes in the rates of the reaction with changes in the other…

Q: 14. How molecules must be oriented to each other in order for a reaction to occur is part of the a.…

A: According to the collision theory, molecules must collide with each other with sufficient kinetic…

Q: 2. When food is cooked (a chemical reaction), which of the following influences on reaction rates is…

A: Rate of the reaction is defined as the change of the amount of the reactant or product per unit…

Q: Sketch a qualitative reaction energy diagram for a chemical reaction with and without a catalyst.…

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

Q: Which factor lower the rate of a chemical reaction? I. Increasing the temperature II. Removing the…

A: The temperature dependence of rate of a reaction is explained by Arrhenius equation.  Arrhenius…

Q: certain one-step reaction has an activation energy that is higher for the forward reaction compared…

A:

Q: Consider the reaction: Cl2(g) + 3F2(g) --> 2ClF3(g) Complete the table    ∆[Cl2]/∆t ∆[F2]/∆t…

A: To Complete the table

Q: Q7. Some spontaneous reactions take 20 million years for half of the reactants to be converted into…

A: A reaction is spontaneous on not depends upon ∆G, Gjibbs free energy change for the reaction. If…

Q: 3.Explain how and why a catalyst effects reaction rates?

A: A catalyst can be defined as  substance which speeds up a chemical reaction, without being consumed…

Q: order of reaction

A: Reversible reactions are those that in conversion of reactants into products and vice versa occur…

Q: Consider the following two reactions. reaction 1: A+B⇒C+D_AG = -24.3 kJ/mol reaction 2: W+X→→Y+Z AG…

A: ∆G value tells us whether the reaction is feasible or not but it does not tells us about the…

Q: 1- Which statement does not describe an endothermic reaction? a. The surroundings cool down. b.…

A:

Q: 1. How do catalysts speed up a chemical reaction? a. the reaction becomes endothermic b. the…

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

Q: I. Which of the following statements about catalysts is FALSE? A. biological catalysts are called…

A: Catalyst is a substance that increases the rate of reaction without itself being consumed during the…

Q: A catalyst will... provide an alternate. pathway for a reaction that requires less activation energy…

A:

Q: Which of the following statements is the best explanation of how activation energy affects the rate…

A: Since more is the activation energy, more will be the energy required by the molecules to overcome…

Q: B Products Reactants Extent of reaction Which letter shows the non-catalyized reaction? Energy

A: In a non-catalyzed reaction the activation energy is high and graph is above.

Q: catalyst: actually participates in the reaction. TRUE OR FALSE?

A: Catalyst takes part in Chemical reaction and increase the rate of reaction by decreasing activation…

Q: Catalysts are sometimes used in chemical reactions.         a.  Explain what a catalyst does in a…

A: Catalyst is a chemical substance which increases the rate of a reaction without itself being changed…

Q: Label the components of an energy diagram for a spontaneous reaction. Answer Bank uncatalyzed…

A: In this question, we will label the components in energy profile diagram for an spontaneous…

Q: How does a catalyst influence the rate of a reaction

A: We have to tell effect of catalyst on rate of reaction

Q: a. Explain how a catalyst increases the speed of a chemical reaction. b. Draw a simple energy…

A: a)

Q: What is the difference between a reversible and an irreversible reaction?

A: Reversible reactions are the reactions in which reactants react to form products and products also…

Q: two-step reaction is spontaneous in the forward direction. The second step of the reaction is rate…

A: The question is based on the concepts of chemical kinetics. we have to draw energy profile for a…

Q: Consider the following energy diagram. a.How many steps are involved in this reaction? b. Label ΔHo…

A: Given diagram = Reaction coordination energy diagram Activation energy is the extra amount of energy…

Q: 16. A reaction mechanism proposes three step reactions for the overall reaction and the energy…

A: Organic reactions are generally complex and are multi-stepped. The study of their mechanisms shows…

Q: The sum of all anabolic and catabolic processes in a cell or organism 1. energy 2. metabolism…

A: Activation energy is the minimum possible energy which is required to complete a reaction.

Q: What is the difference between reversible reaction and irreversible reaction?

A: Chemical reaction is the process in which elements or molecules combine with each other chemically…

Q: 9. What effect does a catalyst have on a reaction? A. It changes the AH of a reaction. B. It…

A: Catalyst is the substance that form reactant-Catalyst complex and follow a different  pathway from…