Which one of the following statement is true about how catalyst works? Catalysts increase the rate of reaction by decreasing activation energy. Catalysts are used up in the reaction to increase the rate. Catalysts decreases the rate of reaction by speeding up the reverse reaction. Catalysts increases the rate of reaction by releasing heat.

Q: Which of the following is true of a catalyst for a reaction     A It decreases the equilibrium…

A: Catalyst :-  A substance which when added to a reaction mixture increases the speed or rate of…

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: Which of the following affect the rate of a reaction?     temperature     nature of reactants…

A: Factors that affect the rate of the reaction is given by following –  Temperature Nature of…

Q: List the factors that affect reaction rates?

A: Factors affecting rate of the reactions: 1. Nature of reactants 2. Physical state of reactants 3.…

Q: Catalysts decrease the activation energy which leads to increase the reaction rate * True False

A: A catalyst is a substance that can be added to a reaction to increase the reaction rate without…

Q: Does a catalyst increase reaction rate by the same means as a rise in temperature does? Explain.

A: The reason why  catalyst increase reaction rate by the same means as a rise in temperature hs to be…

Q: Which of the following is/are expected to affect the rate of a chemical reaction? 1. Increasing the…

A: Answer factors affecting the rate of reaction All given options…

Q: The presence of a heterogeneous catalyst is exemplified in which of the following? Select one: a.…

A: Heterogeneous catalysts are chemical catalysts whose physical phase is different from the physical…

Q: Islon theory? Catalysts speed up reactions because catalysts can increase the kinetic energy of…

A: According to collision theory,  effective collision between reactant molecules lead to form…

Q: What is the activation energy for the reverse reaction?

A: Activation  energy  is the energy  required  to reach at transition  state ( activated  complex) and…

Q: Which of these will slow down a chemical reaction Adding a catalyst Increasing the temperature…

A: Option 3 should be the correct answer Decreasing the concentration of the reactants Because we know…

Q: Which of the following statements is typically true for a catalyst? The concentration of the…

A: Which is the correct option of the following--

Q: Which of the following is/are expected to affect the rate of a chemical reaction? 1. Increasing the…

A: The rate of a chemical reaction depends upon:  1. Temperature: Generally Reactions speeds up with…

Q: . a) changing the nature of the reactants Changing the nature of the reactants might increase or…

A: 1) changing the state of reactant as solid have less kinetic energy while gas have high kinetic…

Q: Which of the following statements is true about activation energy in chemical reactions? O By…

A:

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: Which three of these factors will not increase the rate of the reaction ? decreasing the kinetic…

A: Activation energy is defined as the minimum amount of extra energy required by a reacting molecule…

Q: Activated Complex At Reactants Products Reaction Progress Chemical Energy

A: Activation energy is defined as minimum energy needed for completion of reaction is known as…

Q: Which of the following IS NOT required in order to form products according to collision theory?…

A: Atoms need a catalyst to help them bond Formation is not required In order to forms products…

Q: Which factors will influence the rate of a chemical reaction? O adding a catalyst O changing the…

A: The rate of reaction depends on various factors and can be altered by changing specific parameters.

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 is true about catalyzed reactions? O The net concentration of catalyst does not change O…

A: Given,       Some characteristics of Catalyzed reaction are provided     Required,…

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

A:

Q: Which of the following affects the rate of a reaction? concentration, temperature, nature of…

A:

Q: Which statements explains the energy requirements of chemical reactions?   A) The rate of reaction…

A: Activation energy: When the reactant molecules convert into the products, they required the minimum…

Q: Which of the following statements is true about the two reaction energy diagrams shown below?…

A: The progress of a reaction can be represented by the reaction coordinate diagram. In a reaction…

Q: To complete the following statement: To speed up the reaction, a catalyst... A) increases the…

A: The main role of catalyst is to bring a short way for any certain reaction to take place. Therefore,…

Q: Which would likely increase the rate of a chemical reaction? A. Cooling the reaction mixture. B.…

A:

Q: Reaction rate can NOT be increased by   Question 17 options:   adding an effective catalyst to the…

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: In a dynamic equilibrium, _____.   the rate of the forward reaction goes to zero   the rate of the…

A: A reaction attains equilibrium when the rate of forward reaction becomes equal to the rate of…

Q: What effect does a catalyst have on a reaction?

A: A catalyst is defined as a chemical substance that increases the rate of the chemical reaction. It…

Q: All of the following can speed up a chemical reaction except: Addition of a Catalyst Increase…

A: The factors which speed up a chemical reaction are : Addition of catalyst = It will lower the…

Q: A catalyst increases the activation energy of a reaction and thus facilitates the reaction True…

A:

Q: Write the overall reaction  identify reactants, products, catalyst and reaction intermediate

A: The overall reaction can be written as: O3 (g) + Cl2 (g)  →  O2 (g) + Cl2O (g)

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: The rate at which a reaction occurs can be influenced by many factors. Which of the following would…

A: D. Adding a catalyst.  When we add a catalyst to a chemical reaction, it increases the rate of…

Q: True or false. According to the collision theory, product formation is only possible if the…

A: There are following postulates of collision theory -  (1) All reacting Molecules considered as a…

Q: All of the following increase the rate of a chemical reaction except for which one? increasing the…

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: urce of the activation energy required, and is this reaction endothermic or exothermic? The flame…

A: The correct option is:

Q: A catalyst affects the rate of the forward reaction by changing which of the following? Heat of…

A: Catalyst is a substance which can change the rate of a reaction without itself consumed.

Q: What does it mean for a reaction to release energy? The relative potential energy of the reaction…

A:

Q: Which of the following would describe a substance acting as a catalyst?   Question 5 options:…

A: A multiple choice question based on catalysis, which is to be accomplished.

Q: Enzymes are biological catalysts that enhance the rate of a reaction by Select one: decreasing the…

A: Enzymes are the catalyst which helps in increasing the rate of reaction.

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: Which of the following will NOT increase the rate of a reaction? increasing the temperature adding a…

A: Rate of reaction: The change in any one of the reactant and product with respect to time. Factor…