Classify each statement about catalysts as true or false. 1. Biological catalysts are known as enzymes. 2. A catalyst is chemically unaltered during the chemical reaction and therefore is reused over and over again in a reaction. 3. A catalyst lowers the activation energy for a reaction. 4. A catalyst is always used in high concentration. 5. A catalyst speeds up the rate of a reaction.

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: 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: Which of the following statements is true about the effect of a catalyst on a chemical reaction? A:…

A: A catalyst increases the rate of a chemical reaction by decreasing the activation energy.

Q: Explain how a catalyst can be involved in a chemical reaction without being consumed in the process.

A: A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the…

Q: 5. Which of the following statements about a catalyst is TRUE? A. It participates in the reaction.…

A: B is incorrect as catalyst Donot change equilibrium concentration of reactants and products. C is…

Q: A and B are two species which react in the presence of an acid catalyst. [H+] A + B → Products…

A:

Q: A catalyst speeds up a chemical reaction as a result of which of the following?   Question 14…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Which of the following factóPS Therease tn rate of a reaction? Increase in temperature Decrease in…

A: There are many factors affecting the rate of Reaction. Temperature, pressure, activation energy,…

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: What will happen if a catalyst is added to a reaction mixture? A. increases the rate of collisions…

A: Chemical kinetics is branch of chemistry which deal with speed at which rate of reaction occurs.…

Q: What quantity is represented by the slope of the dashed line in the accompanying diagram for the…

A: Solution :        The instantaneous reaction rate is defined as the change in concentration of…

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: 11. The role of catalyst is to Mark only one oval. Increase the activation energy Raise the…

A: A catalyst is a substance which does not take participate into reaction but enhances the rate of…

Q: 15) The activation energy of a chemical reaction is the energy A) must be removed from the mixture.…

A: The activation energy of a chemical reaction is the minimum energy that is required to break the…

Q: How does a catalyst affect the rate of reaction? Explain each in at least 5 sentences.

A: Effect of catalyst on rate of the reaction:

Q: 5. The rate of a reaction slows down with n constant temperature because A) the concentration of…

A: Higher  concentration of a reactant will lead to more collisions of that reactant in a specific…

Q: 4. D) True or False: In order for a catalyst to function, it must exist in the same phase as the…

A: catalyst is a species which increases the rate of the reaction by decreasing the activation energy…

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: Which of the following can lower the activation energy for a reaction? A. Increasing the…

A: To determine which of the given option lower the activation energy of a reaction.

Q: Which of the following is the reason/s why the catalysts increase the rate of a reaction ( HINT:…

A: The presence of catalyst increases the rate of forward reaction due to the following reasons.

Q: Which of the following best describes a catalyst? O It increases the number of collisions between…

A: In order to separate a mixture of liquid , there should be difference in their boiling point.

Q: The following figure represents chemical reaction before and after using a catalyst and from the…

A:

Q: A catalyst: I) lowers activation energy II) uses an existing reaction pathway III) is not consumed…

A: The objective of this question is to tell from the given certain statements which best suits the…

Q: Reaction A has a high activation energy, whereas reacton B has a low activation energy. Which of the…

A:

Q: Which of the following is not true of catalysts? O They become part of the final product. O They are…

A:

Q: Which statement about catalysts is NOT true? (a) A catalyst increases the rate of a chemical…

A: The False statement about catalysts has to be identified

Q: How do temperature, concentration, and catalysts affect the rate of a reaction?

A: All of them have different impact on rate of reaction.

Q: 6. What is the effect of increasing the concentration of a reactant in the reactant rate? A.) The…

A: 1.Reaction rate is the speed at which reaction procedes  2.Various factors affect rate of reaction.…

Q: how catalysts are used in industry,in agriculture,or in the treatment of contaminated soil, waste,…

A: The catalyst are used to proceed the chemical reactions to form products,like fertilizer.The…

Q: Factors that accelerate the rate of chemical reactions include all expect: a) increase in…

A: Given factors: a) increase in temperature  b) increasing the reactant concentration  c) increasing…

Q: Activity 5: different types of catalyst Compare and contract the different types of catalyst using…

A: Catalysis is the process of increasing the rate of a chemical reaction by adding a substance known…

Q: give examples of catalysts?

A: Examples of catalyst:Iron catalyst used in the Haber-Bosch process.H2/Ni catalyst used to the…

Q: What statement about the catalyst is correct? O it increases a value of the equilibrium constant It…

A: -> A substance that alters the reaction rate of a particular chemical reaction is known as…

Q: Classify the actions based on how they could affect a reaction rate. Rate increases Rate decreases…

A: Following are the appropriate answers to fill the given boxes.

Q: Define Catalysts ?

A: SOLUTION: Step 1: A catalyst is any substance that increases a reaction rate without being consumed…

Q: Reaction A has a high activation energy, whereas reacton B has a low activation energy. Which of the…

A: Given:- Reaction A has high activation energy, whereas reaction B has lower activation energy.  We…

Q: When you add a catalyst, the reaction rate increases. Why? * O causes fewer collisions O causes more…

A: Effect of catalyst on rate of reaction.

Q: How does subdividing (grinding up) the reactants affect the rate of a chemical reaction? O It…

A: How does subdividing/grinding the reactants affect the rate of chemical reaction?

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: How does a catalyst increase the rate of a chemical reaction?

A: Catalyst: It is a chemical substance and it does not involve the chemical reaction. Main role of…

Q: All the following are true statements concerning catalysts except a catalyst will be used up in a…

A: A substance that modifies the transition state to lower the activation energy is term as a catalyst.…

Q: Which of the following statements is false. Catalysts make a reaction rate go faster by providing a…

A: A reaction will proceed in the forward direction if its reactant crosses the minimum energy…

Q: Which of the following are true statements about catalysts (choose all that apply)? O A catalyst…

A: For the reactants to convert into product, they must need to cross over the activation energy…

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: Crushing a solid into a powder will increase the reaction rate because ________.  A. the particles…

A: The rate of reaction is the speed at which the chemical reaction would take place.

Q: How does a catalyst affect the rate of reaction? * Activated complex unc Uncatalyzed reaction…

A: Catalyst : A substance which increase the rate of reaction. it does not used up during reaction.so,…

Q: 51. The major reason an increase in temperature causes an increase in reaction rate is that (A) the…

A: An increase in temperature typically increase the rate of reaction .The increase in temperature will…

Q: Which statement regarding catalyst is incorrect It is regenerated during the reaction O increases…

A: Explanation :- Catalyst :- A catalyst change the rate of chemical reaction. Catalyst lower the…