true or false catalyst work by decreasing the activation energy barrier between reactants and the activated complex thereby increasing the rate of the reaction

Q: The rate of a reaction typically increases as the temperature increases because: the fraction of…

A: Rate of a chemical reaction is defined as the speed with which the reaction proceeds. It determines…

Q: initial rate of reaction

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Q: A substance that increases the rate of the reaction but is neither created nor destroyed in the…

A: Enzymes are the substances that increases the rate of the reaction by decreasing the activation…

Q: According to collision theory, reaction rates increase with temperature, because the activation…

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Q: In general, what is the relationship between reaction rateand reactant concentration?

A: The rate of reaction depends on 3 factors: concentration, temperature, and catalysts. Reaction is…

Q: Account for the increase in reaction rate brought about by a catalyst.

A: Catalyst role is to control the rate of reaction. It don't get consumed after the reaction.

Q: change in the concentration or pressure of one of the gaseous reactants or pro compression of the…

A: Effect of change on equilibrium is determined by Le-Chateleir principle.  According to this law, the…

Q: activation energy

A: Activation energy of a reaction is the minimum amount of energy required to activate the atoms or…

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

A: Catalyst :-  A catalyst which increases the rate of chemical reaction without itself undergoing any…

Q: Any chemical or physical change that absorbs energy is an endothermic process. is an exothermic…

A:

Q: Describe how various factors influence the rate of reaction.

A: The rate of reaction is influenced by various factors.Let's discuss the various factors in the next…

Q: The presence of a catalyst: lowers activation energy increases activation energy O increases…

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Q: Determine whether the following statement about reaction rates is true or false. If the statement is…

A: Activation energy is energy required by reactant molecule to participate in a chemical reaction to…

Q: On an energy diagram, circle the value/portion of the reaction energy diagram that is affected by a…

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Q: Which energy difference in the energy profile below corresponds to the activation energy for the…

A: Activation energy in energy profile diagram.

Q: How having a higher potential energy for the reactant affects the activation energy, all other…

A: Explained as follows

Q: Collision Theory Gizmo

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Q: What factor does not affect the rate of a chemical reaction? collision frequency fraction of…

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

Q: Chemical equilibrium only occurs if/when: [Check all that are required.] the reaction is reversible.…

A: Chemical equilibrium: Equilibrium for a reaction when a reversible chemical reaction having a rate…

Q: Define specific reaction rate or rate constant.

A: Specific rate constant at a given temperature may be defined as the rate of reaction when the molar…

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: Describe factors that affect chemical reaction rates.

A: Reaction rate is defined as the speed which the reaction proceeds. It is directly proportional to…

Q: Encreasing the temperature increases the rate of a reaction by doing which of the following?…

A: In this question, we have to answer by Increasing the temperature, increases the rate of a reaction…

Q: according to collision theory, the rate of a reaction increases as the reactant concentration…

A: Rate of reaction :-  The decrease in concentration of reactants with time or increase in…

Q: Pls help ASAP. PLS look at the diagram of the graph to answer this.

A: Rate of a reaction can be expressed as how fast a reaction can occur

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

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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: 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: The rate constant of a certain reaction is dependent to the activation energy and collision.  True…

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Q: Which of the following is a definition of the activation energy of a reaction? the difference in…

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Q: Catalysts lower the activation energy for a reaction to occur ? True or false

A: we have to say true or false Catalysts lower the activation energy for a reaction to occur ?

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: A catalyst increases the rate of reaction by providing an alternative reaction pathway with a higher…

A:

Q: An increase in the temperature of the reactants causes an increase in the rate of reaction. The best…

A: When we increase the temperature of the reactants the tendency of striking the molecules per unit…

Q: Can an intermediate appear as a reactant in the first step of a reaction mechanism?

A: The reactant dissociates or associates in the first step of the reaction and leads to the formation…

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: 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: provide full reaction mechanism and state where the equilibrium shifts

A: The functional group is a key constituent of a molecule that participates in the characteristic…

Q: Sketch an energy-level diagram for the conversion of reactants to products in an endothermic…

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Q: Which one of the following statements is False?     The rate constant depends on the activation…

A: Rate constant, in chemical kinetics define the rate of reaction of a chemical reaction. The factors…

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: Select the Energy vs Reaction Progress plot for the reaction below: (aq) (aq) (aq) (aq) E, Reaction…

A: We will study the reaction mechanism and answer the given question.

Q: Activation energy is defined as O the energy needed to activate the products and turn them into…

A: In the given question we have to choose the correct option and to discuss about the activation…

Q: Catalysts speed up the rate of a reaction by increasing the activation energy Select one: O True O…

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Q: Select all of the following that are required for a chemical reaction to occur according to the…

A: Given : We have to choose the correct options.

Q: Describe the Collision Theory?

A: The behaviors of gases are explained by the kinetic theory. The rate of the reaction is explained by…

Q: Draw an energy profile diagram for an exothermic reaction process with a positive activation energy.

A: For an exothermic reaction, del H = -ve.We will Draw an energy profile diagram for an exothermic…

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…

Q: When the concentrations of reactant molecules are increased, the rate of reaction increases. The…

A: When the concentration of the reactant molecules is increased, the rate of the reaction increases.…