Define reaction rate. Assuming constant temperature and a closed reaction vessel, why does the rate change with time?

Q: Explain the reaction by observing the sets of molecular collisions below.   Two reactant particles…

A: According to the collision theory, the following criteria must be met in order for a chemical…

Q: What is reaction energy if the activation energy is 250 kJ/mol (for the forward reaction) and the…

A: The activation energy for forward reaction is 250 KJ/mol and that of backward(reverse) reaction is…

Q: A chemistry graduate student is studying the rate of this reaction: CICH,CH,CI (g) → CH,CHCI (g) +…

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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: In what type of reaction would the instantaneous rate stay constant throughout the reaction?

A: The instantaneous rate is the rate of a reaction at any specific time. The reaction for which the…

Q: Why does a reaction's activation energy not show in the reaction's final G?

A: a reaction's activation energy not show in the reaction's final G

Q: Explain the form of rate law, including the ideas of reaction order and rate constant?

A: Explain rate law , reaction order and rate constant.

Q: A chemistry graduate student is studying the rate of this reaction: 2so, (g) - 2S0, (g) +o, (3) She…

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Q: Which of the following is TRUE about reaction rates? Rate constant is the same for the same reaction…

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Q: Explain the reaction process in terms of collision theory and transition state theory.

A: Answer - According to the question - Reaction process in terms of collision theory and transition…

Q: A chemist proposes the following reaction mechanism: Step 1: C2H5Br + AlBr3 → AlBr4 - + C2H5 +…

A: Since you have posted multiple sub-parts, we are entitled to answer the first 3 only.

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

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Q: Define the term ‘rate constant’ of ‘specific reaction rate’.

A: The terms 'rate constant' and 'specific reaction rate' mean the same. For a reaction, Rate of a…

Q: Illustrate quantitatively reaction rates in terms of reactant concentrations and experimentally…

A: The reaction rates can be measured by the consumption of the reactant with time or the formation of…

Q: Describe four conditions that affect the rate of a reaction and use the principles of the collision…

A: As per Collision theory, Reaction rate is given : Rate = p ZAB e(-Ea/RT) p is the orientation…

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: A catalyst is a substance that increases the rate of reaction but does not participate in the…

A: A catalyst is used in the reaction which varies the activation energy of the reaction. The…

Q: How do reaction rates typically depend on temperature? What part of the rate law is temperature…

A: The increase in the rate of reaction with rise in temperature is not due to the increase in the…

Q: In some reactions, the spatial orientation of the reactant molecules is a very important factor in…

A: A question based on kinetic theory, which is to be accomplished.

Q: Define the following terms.(i) Rate constant (k) (ii) Activation energy ( Ea)

A: i) Rate constant- It is the proportionality constant of rate law which is different (and identical…

Q: How do I determine reaction order?

A: Answer

Q: Discuss trapping of intermediates with at least three examples to determine chemical reaction?

A: A reactive intermediate is a very short-lived, high-energy, highly reactive molecule. When reactive…

Q: If the temperature of a reaction is increased, the rate also increases. Which best explains why this…

A: 1) An increase in temperature typically increases the rate of reaction. 2) An increase in…

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: Rates of Reactions Consider reactions of the type: Reactant 1 + Reactant 2 Products The activation…

A: Answer: On increasing the temperature, rate of reaction increases because increase in temperature…

Q: What is a specific rate constant (k)? Please explain in simple terms. How is this any different from…

A: Take the example of a reaction  X -> P where X is the reactant and P is the product.  With time…

Q: When every collision between reactants leads to a reaction, what determines the rate at which the…

A: Nature of the reactants, temperature, concentration of the reactants and presence of catalyst are…

Q: Why do most chemical reactions do not occur in a single step?

A: In a chemical reaction, the reactants react to form the products. For example, hydrogen and chlorine…

Q: Why is it important to know the reaction rates? What are the factors affecting rate of reaction? Why…

A: Rate of reaction is that speed of reaction at which a chemical reaction is taking place in a system.…

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: What is the rate law for the reaction and what is the numerical value of k?

A: Let the rate equation is : rate = k[AsO3^3-]^x[Ce^4+]^y ....(1)  From experiment 1, 6.89*10^-3 =…

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: Define ‘rate of a reaction’.

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Q: How do reaction rates typically depend on temperature?

A: The change in concentration of the reactant or the product per unit time is called as the rate of…

Q: A chemistry graduate student is studying the rate of this reaction: CICH,CH,CI (g) → CH,CHCI (g)…

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

A: Reactions are usually either endothermic or exothermic nature. They require heat for performing…

Q: How does an increase in pressure affect the rate of a gas-phase reaction? Explain.

A: Rate of a gas phase reaction:- It is the speed of the reaction(which involves gaseous reactants and…

Q: According to collision theory, the increase observed in the rate constant with increasing…

A: For the exothermic reaction, the reactivity gets slower as the temperature increases.

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

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Q: A certain reaction has the following reaction Constant values at various temperatures k, min-¹ Ï°C…

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Q: Please explain why high molecularity reactions are rare but not conflicting with the fact that…

A: Molecularity - It is basically the number of molecules that come together in an elementary and…

Q: Write two differences between ‘order of reaction’ and ‘molecularity of reaction’.

A: Reaction order: It refers to the power dependence of the rate on the concentration of each reactant.…