Define the term activation energy. Using diagrams, explain how the presence of a catalyst can help increase the rate of a chemical reaction.

Q: Describe the process of determining the Activation Energy?

A: The minimum energy has to be provided to the reactant to result in a chemical reaction, called…

Q: Illustrate the effect of a catalyst on a reaction ?

A: Catalysts are the substances that increase the rate of a chemical reaction without being consumed in…

Q: Many reactions that are thermodynamically possible do not occur at an appreciable rate because of…

A: If the Gibbs free energy of a reaction is negative then such reactions are spontaneous in nature.…

Q: How reaction rate depends on concentration, physical state, and temperature

A: For a chemical reaction to occur, there must be collision in between the reactant molecules. Rate of…

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: When the concentration of reactant increases, what effect will this have on the rate of the reaction…

A: All reactions possess a particular rate. That rate always carries direct relation with reactant's…

Q: A catalyst is commonly defined as a material which changes (usually increases) the rate of…

A: A) Catalyst does not affect the position of equilibrium, adding a catalyst does not affect the…

Q: What do you mean by the term chemical reaction rate?

A: The rate of a reaction generally depends on the concentration of reactants. In other words the rate…

Q: Define the term ‘rate of reaction’.

A: The term rate of reaction has to be defined.

Q: what speeds up a chemical reaction and how is activation energy related to it?

A: Interpretation-  To tell about the speeds up of a chemical reaction and how the activation energy…

Q: A catalyst acts to ___ the speed of the chemical reaction by ___ the activation energy:  a.…

A: Some chemical reaction are very slow due to very high activation energy. or Rate of…

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: b) How does a catalyst increase the rate of reaction? Cite familiar situations where catalyst is…

A: The solution is given below -

Q: What is reaction rate constant?

A: ANSWERE IS DISCUSSED BELOW :

Q: Activity 3: Activation energy and how a catalyst affects the reaction rate Here are the…

A: Explained as follows

Q: Why does the rate of the forward reaction slow down as the reaction proceeds?

A: The equilibrium is the point in a chemical reaction at which the rate of the forward reaction…

Q: Define and explain the term activation energy as it appliesto chemical reactions.

A: To find: explanation about activation energy as it applies to chemical reactions.

Q: Activation energy is a barrier that the reactants must cross to be converted into: O products O…

A: Activation energy is a Barrier that the reactant must cross to be converted into :

Q: What two factors determine whether a collision between two reactant molecules will result in…

A: Two factors determine whether a collision between two reactant molecules will result in reaction is…

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: Define the term catalyst?

A: The term catalyst has to be defined below.

Q: Completion of the sentence: Catalysts like enzymes speed up chemical reactions via....

A: Catalyst like enzymes speed up chemical reaction via lowering the activation energy of the reaction…

Q: Which of the following can increase the rate of reaction for a chemical reaction? a. adding a…

A: For a chemical reaction, the rate of reaction is defined as the speed with which there is a…

Q: The activation energy is the minimum amount of energy necessary for a chemical reaction to occur. O…

A: Activation Energy (Ea) :- Yes, activation energy is the minimum amount of energy required for a…

Q: Which of the following statements is/are correct about catalysts? They do not affect equilibrium O…

A: Catalyst : catalysts are used to increase rate of reaction .

Q: Explain what activation energy is. What causes chemical reactions to have activation energies?

A: When the activation energy of a reaction is higher, then the rate of that reaction will be lower.…

Q: According to molecular collision theory, what are the criteria that must be met in order for a…

A: Collision: It is the phenomenon of hitting the particles, molecules, or atoms. Molecular collision…

Q: According to the collision theory for chemical reactions, why do most reaction rates increase with…

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

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: Explain on a molecular level how temperature, reactant concentration and the presence of a catalyst…

A: The rate of the reaction is affected by the following factors: Temperature Reactant concentration…

Q: the minimum energy required to initiate a chemical reaction?

A: Collision theory is used to conclude about the rate of a chemical reaction and it is based on the…

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: The central idea of the collision model is that molecules must collide in order to react. Give two…

A: The collision theory says that the main conditions for the taking place of a chemical reaction are…

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: of

A: This question is related to rate of reaction.

Q: . a. Explain in your own words, what is meant by the term "activation energy." b. How can the idea…

A: 1.a  Activation energy is the minimum amount of energy required to start a chemical reaction.…

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: Use the postulates of the collision theory to explain temperature and physical states of the…

A: Collision theory tells about how the rate of a chemical reaction is affected by collision.

Q: What does a catalyst do?

A:

Q: (a) What is meant by the term reaction rate?

A: The reaction rate is defined as the change in concentration of the chemical species, involving in…

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: differentiate the four types of catalysts

A:

Q: Define ‘activation energy’ of a reaction.

A: Rate of reaction is defined as ratio of change in concentration of reactant or product by the time…

Q: How is a catalyst defined and how does such a species increase the reaction rate?

A: The question is based on the concept of catalyst. We have to write its definition and explain how it…

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

A: The rate of rarction increases on increasing the temperature.  For most of the homogeneous…

Q: Define the term Reaction Mechanisms?

A: Given term,    Reaction mechanism

Q: Explain what happens in a chemical reaction? what does activation energy (EA) mean?

A: A chemical reaction is used to represent a chemical change.