Does increasing the amount of a reactant (NOT THE CONCENTRATION) from say 2.5mL to 5.0mL of Na2S2O3 increase the rate of a reaction or lower it?

Q: Which of the following affect the rate of a reaction: (a) concentration; (b) ΔH; (c) energy…

A: The factors which affect the rate of a reaction has to be given,

Q: Which of the following changes will affect the rate constant of a reaction 1. Increasing or…

A: The rate constant is affected by  1) increasing or decreasing the reaction temperature

Q: (iv) Describe explain the difference in relative reaction rate in following reactions. Reactions…

A: Interpretation: To describe the difference in relative reaction rate of the give reactions.

Q: 1. Which of the following will not change the rate of a reaction? a. adding a catalyst b. adding…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Which reaction do you think has a larger rate constant (faster rate)? I. HCl + H,0→ H;O* + ¯Cl II.…

A: #8: The faster a reaction completes, the larger the rate constant.

Q: 1.19 The reaction, CH3CHO (g) → CH4 (g) + CO (g) has an activation energy of 41 kcal. If the…

A: The given reaction is : CH3CHO(g)→CH4(g)+CO(g)∆Hf(CH3CHO)=-42 kcal/mol∆Hf(CH4)=-17.9…

Q: A catalyst increases the rate of a reaction by: increasing the temperature. В) A) decreasing the…

A: Catalyst :-  A substance which when added in small amount to the reaction mixture , increases rate…

Q: Indicate which factors affect the rate of a reaction. a. ΔG° b. ΔH° c. Ea d. temperature e.…

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

Q: Which of the following factóPS Therease tn rate of a reaction? Increase in temperature Decrease in…

A: There are many factors affecting the rate of Reaction. Temperature, pressure, activation energy,…

Q: A В Products Reactants AH AH Reactants Products Reaction Progress - Reaction Progress- Potential…

A: Graph of endothermic reaction and purpose of catalyst

Q: How would each of the following change the rate of the reaction shown here? 2NO(g) +2H2(g) ➞ N2(g) +…

A: Given reaction:2NO(g) +2H2(g) ➞ N2(g) + 2H2O(g)

Q: Which of the reaction mechanisms is consistent with the energy diagram? fast 2 A → B fast B » C slow…

A:

Q: a) This reaction is thought to take place by means of the following mechanism: Step 1: HBr + O2→…

A: In a chemical reaction rate determining step is the slowest step. Rate of the overall reaction is…

Q: How do overall reactions usually usually proceed?

A: The overall reaction do not tell us how actually the reaction has proceeds. It only tells us the…

Q: Give 1 (one) analogy for catalyzed and uncatalyzed reaction.

A: In a chemical reaction, the product is formed when two reactants react. The term 'react' here refers…

Q: Which of the following is not one of the five factors that influence reaction rates? O The presence…

A: Chemical kinetics is branch of chemistry that deals with rates of chemical reactions.

Q: A chemist wants to measure the rate of the following reaction: 2CIO2 (ag) + 20H" (ag) ----> CIO3…

A: Answer: When, reactants in the given chemical equation, forms the product , that is called as…

Q: The rate of the following reaction increases when the catalyst is added. 2SO3(g) = 2S02(g) + O2(g)…

A: In this question, we will see that given statement is right or wrong. How catalyst effect on the…

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

A: Given : Catalysts can affect rate of reaction.

Q: Given the below reaction diagram 50 45 40 35 30 25 20 15 10 Extent of reaction a) Step 1 is slow and…

A: The energy diagram of the reaction given is,

Q: QUESTION NO. 15: From the energy profiles for the two reactions below, how will the rates of the two…

A:

Q: Consider the following reaction mechanism. Step 1 : W2  ⇌ 2W                 (fast) Step 2 : W + Z…

A: Given is, reaction mechanism. Step 1 : W2  ⇌ 2W                 (fast) Step 2 : W + Z ⇌    D +  F…

Q: Which three of these factors will not increase the rate of the reaction ? decreasing the kinetic…

A: Activation energy is defined as the minimum amount of extra energy required by a reacting molecule…

Q: h of the following best describes a catalyst? t increases the number of collisions between reacting…

A: Catalyst is the substance which accelerate the rate of reaction by decreasing activation energy.

Q: Fill in the blanks: (CH;),COK THE Br The reaction will most likely proceed via the mechanism because…

A:

Q: Consider the reaction below. If the concentration of the NaOH is doubled, the rate of the reaction…

A: Secondary and tertiary alkyl halide proceeds E2 elimination reaction inthe presence of hydroxide ion

Q: 5. The rate of a reaction slows down with n constant temperature because A) the concentration of…

A: Higher  concentration of a reactant will lead to more collisions of that reactant in a specific…

Q: Which of the following is most closely associated with relatively slow rates of chemical reaction?…

A: High concentration of reactants , low energy of activation and presence of catalyst will increase…

Q: Reaction rate increases with increasing concentration because of: O all of the above an increase in…

A: all of these is the correct answer as the increase in concentration of reactants,  number of…

Q: Indicate the type of catalysis that is occurring in the slow step in each of the following reaction…

A: The slowest step of the provided reaction involves intramolecular catalysis:

Q: (a) Select all of the correct statements about reaction rates from the choices below. The lower…

A: A question based on reaction rate is to accomplished.

Q: tion that goes to completion (this is not a reversible reaction) what happens to the rate with the…

A: Given : We have to tell the effect of catalyst.

Q: Sketch the expected transition state for the following bimolecular process.

A: A reaction between electrophile Cl+ and benzene is considered.

Q: Which of the following best describes a catalyst? O It increases the number of collisions between…

A: In order to separate a mixture of liquid , there should be difference in their boiling point.

Q: The rate of a reaction is increased with the addition of a catalyst as shown in the following…

A: Given is an energy profile diagram, To find: The letter showing activation energy?

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: The two reactions shown below involve an acid chloride. For each reaction, draw the organic product…

A: The two reactions given are :

Q: NaF .CI i) Nal ii) .CI

A: In SN2 reaction, reaction rate depends on the 1) substrate 2) nucleophile

Q: Which of the following represents the rate at which ClO₂⁻(aq) is appearing in the reaction below? 2…

A: Solution - Rate law - The rate law or rate equation for a chemical reaction is an equation that…

Q: When will the rate of the reaction decrease as the temperature is raised?     ∆Ea = +     ∆Ea =…

A: We have to tell when will the rate of the reaction decrease as the temperature is raised. The given…

Q: Given the following information, what would the overall order of the reaction be?…

A: Given reaction: C6H5N2Cl(aq)+H2O(l) — C6H5OH(aq)+N2(g)+HCl(aq)

Q: The rate law of the overall reaction X + Y → Z is rate = k[Y]². Which of the following will NOT…

A:

Q: How does a catalyst affect each of the following: (a) reaction rate; (b) ΔH; (c) Ea; (d) K; (e)…

A: The effect of a catalyst on the given products is shown below.

Q: iedly 1. reacting substances must collide. 2. reacting substances must have enough energy. 3. the…

A: The explanation of these questions are given below

Q: Fill in the blanks: Br (CH,),COK THE The reaction will most likely proceed via the mechanism because…

A:

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

A:

Q: Why does the rate of most reactions decrease over time? A. A decrease in reactant

A: We have to tell Why does the rate of most reactions decrease over time

Q: How does a catalyst affect the rate of reaction? * Activated complex unc Uncatalyzed reaction…

A: Catalyst : A substance which increase the rate of reaction. it does not used up during reaction.so,…

Q: 5. Which of the following statements is correct? A. The rate of a reaction is independent of…

A: The rate of reaction is the measure of the speed of the reaction. It is the rate at which chemical…