What will happen if a catalyst is added to a reaction mixture? A. increases the rate of collisions between reactant B. provides reactant molecules with more C. slows down the rate of the back D. provides a new pathway (mechanism) for the

Q: Draw a reaction coordinate for an exergonic, four step reaction.  The third step of this reaction is…

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Q: The presence of a catalyst means that a chemical reaction a. shifts the equilibrium to the right. b.…

A: Catalyst is a compound which increases the rate of a reaction by decreasing the activation energy of…

Q: According to the model of chemical reactions developed in class, explain why adding a catalyst can…

A: Activation energy is the minimum amount of energy required for a chemical reaction to proceed in the…

Q: Which of the following statements is false? OA A catalyst increases the rate of a reaction, but is…

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

Q: Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be…

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Q: True or false The rate limiting step in a reaction is the slowest step in the reaction sequence

A: Given statement is , The rate limiting step in a reaction is the slowest step in the reaction…

Q: a. Which of the following is the reason for the fact that antacids have to be chewed before…

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

Q: When the concentration of reactant molecules is increased, the rate of reaction increases. The best…

A: The rate of a chemical reaction is influenced by a variety of factors. In this case, we are…

Q: Which of the following would NOT increase the rate of a reaction? O A. Increasing the concentration…

A: Rate of reaction: It can be defined by saying that change in the concentration of the reactants and…

Q: A correct definition is:  Instantaneous rate is ____    change in molarity per unit time.…

A: In the question the definition of instantaneous rate have been asked and the correct alternative out…

Q: When the concentration of reactant molecules is increased, the rate of reaction increases. The best…

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

Q: A catalyst is    a. A substance which increases the rate of a reaction by adding heat to it.   b.…

A: The chemical kinetics deals with the rate of reaction, and about the factors on which it depends.

Q: HOw does increasing temperature affect the rate of reaction? * the activation energy increases so…

A: To find: The effect of increasing temperature on rate?

Q: How does increasing temperature affect the collisions of reactant molecules

A: How does increasing temperature affect the collisions of reactant molecules in a chemical reaction.…

Q: The reaction energy diagrams for four different reactions are shown. Which reaction would be…

A: Answer = c

Q: Catalysts can affect the rate of a reaction. O True O False

A: Given : Catalysts can affect rate of reaction.

Q: The details of a chemical reaction between A and B, to produce the product C, is shown below. Use…

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Q: How would the reaction rate change if you heat a reaction up? The reaction rate will increase Not…

A: Using concept of Arrhenius equation A= ke-Ea/RT

Q: In an exothermic reaction,   Multiple Choice (select one)   a. the activation energy will change…

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Q: The red arrow represents ENERGY Reaction progress the difference in energy between reactants and…

A: An energy profile diagram represents the energy pathway ( most favourable ) of the transformation of…

Q: How a reaction's rate changes with concentration ?

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Q: 7. Which sample has a higher concentration? 8. Which sample will have a higher number of collision?…

A: When the number of particles increases the collision between the particles also increases.

Q: Increasing the temperature of an ENDOthermic reaction a) Will decrease both the rate constant for a…

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Q: Which one of the following factors DOES NOT affect the rate of a chemical reaction?…

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Q: In order for Cl and NOCl to react and produce NO and Cl2 which of the following have to be true?…

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly…

Q: Label the graph to the right with the items on the left. a. Products b. Transition state c.…

A: we have to label the given graph correctly.

Q: which of the below statement concering the rate of the reaction is NOT true?   a. the rate of the…

A: Factors affecting the rate of reaction are given by Reactant concentration. Physical state of the…

Q: Reaction rate increased by an increase of surface area of a reactant. One way to increase surface…

A: Reaction rate is defined as speed at which chemical reaction takes place , its  Depends on many…

Q: Which of the following changes leads to a decrease in reaction rate?    A. Increase the reactant…

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

Q: Free Energy (kcal/mol) 25 20 15 10 5 0 A B A Reaction progress Use the reaction energy diagram above…

A: Activation energy is the energy required by reactants to reach the activation energy barrier. It is…

Q: Which of the following typically increase the rate of a reaction?   Pick all correct responses.…

A: The speed, via which dissociation of reactants and formation of products occurs, is known as the…

Q: In general as a reaction proceeds, what happens to the rate of the reaction? Select one: a.…

A: The reaction rate or rate of reaction is the speed at which a chemical reaction takes place. And…