Why are reaction rates important (both practically and theoretically)?

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: Define the term rate constant?

A: The rate constant (k) is the proportionality constant in the rate equation that expresses the…

Q: For the reaction shown, what is true for the rate and extent of the reaction with an increase in…

A: If the temperature of a reaction increases then the kinetic energy of the reaction increase so the…

Q: Explain Determinants of Reaction Rates?

A: Reaction  It is a process in which reactant molecules react to each other and form another molecule…

Q: Define the term ‘rate of reaction’.

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

Q: Does the instantaneous rate increase, decrease, or remain the same as the reaction proceeds?

A: The instantaneous rate of reaction is directly proportional to the decomposition of reactants. As…

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: Is it possible that the reaction rate hastens as concentration decreases? Why or why not?

A: It is not possible to the reaction rate hastens as co concentration decreases . Because as the…

Q: Why are homogeneous catalysts harder to sepårate from products and leftover reactants than are…

A: Catalysts are the chemical compounds which are used in the chemical reaction which increases the…

Q: By what factor does the reaction rate change if the concentrations of both reactants are doubled…

A:

Q: There are two fundamental types of catalysts. What are these catalysts and how do they modify the…

A: Two types of catalysts are there which can affect the rate of reaction.

Q: List the Elementary Reactions?

A: Elementary reactions have to be listed below.

Q: Why is the order of a reaction important in the study of reaction rate?

A: Order of reaction => it is a sum of powers of                                           reactants

Q: Define reaction rate. Assuming constant temperature and a closed reaction vessel, why does the rate…

A: In any reaction there is reactant which reacts and forms new products.

Q: Consider the data showing the initial rate of a reaction (A → products) at several different…

A: To solve this problem we have to consider  Rate=K [A]n  Where , Rate = initial Rate              K =…

Q: Reaction rates are independent of the presence of catalyst or of temperature changes. O True O False

A: The reaction rate  is the speed at which a chemical reaction takes place. It is given as…

Q: What are following of  the five factors mentioned in the text that can affect the rate at which a…

A: The rate at which reaction proceeds depends on the following factors 1. Nature of Reactants 2.…

Q: Why are elementary reactions involving three or more reactants very uncommon?

A: An elementary reaction is the one which takes place in a single step with a single transition state.…

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: Define the term activated complex and explain its significance in a chemical reaction.

A: Activated complex is a stage that comes in the path of reactants getting converted to products.

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: What part of the rate law changes when the temperature is changed in a reaction?

A:

Q: Use Cleland notation to describe Ordered and Random sequential reactions and a Ping Pong reaction.

A:

Q: Why is understanding reaction rates significant?

A: To explain: Why is understanding reaction rates significant?

Q: What two points should be plotted to graphically determine the activation energy of this reaction?…

A: Answer is  x1 = 0.001379.   y1 = -0.37833  x2= 0.003636.    y2 = -0.99425  Raise = -0.61592  Run =…

Q: From the graph, what can you interpret about the correlation between reaction rates and the…

A: A question based on kinetics of reaction in solution that is to be accomplished.

Q: 10. For the reaction BrO, + 5Br+ 6H* -----> 3Br, + 3H,0 at a particular time, A[BrO,1/A t = 1.5 x…

A: For the given reaction : 15×-∆Br-∆t=-∆BrO3-∆t  15×-∆Br-∆t=1.5 × 10-2 M/s -∆Br-∆t= 5 ×1.5 × 10-2 M/s…

Q: Consider the reaction data.   A⟶products ?  (?) ?  (?−1) 325 0.391 575 0.735 What two points…

A:

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: A certain reaction is known to proceed slowly at room temperature. Is it possible to make the…

A: Answer: Rate of the reaction depends upon activation energy, higher the value of activation energy,…

Q: give examples of catalysts?

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

Q: A reaction mechanism that has three steps will have how many reaction intermediates?

A: Let us consider a three steps reaction: Step 1. A→BStep 2. B→CStep 3. C→D or this can be written as…

Q: How do we determine reaction mechanisms?

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

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: A. Why does catalyst is the factor that has the greatest impact on the rate of reaction in "exhaust…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Define what is the reaction rate and b. Explain the importance of understanding reaction rates.

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

Q: Define Kinetics ?

A: The definition of kinetics has to be given,

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: Step 1) A B + C (Fast, equilibrium) Step 2) C → D + E (slow) Write a rate law that is consistent…

A:

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: From the reading: Describe the conditions for successful collisions that cause reactions. Describe…

A: Collision theory of reaction rates.

Q: Define rate constant (K).

A: The decrease in the concentration of reactants or increase in the concentration of the products per…