In the reaction A→products, the initial concentration of A is 0.1867 M and 44 s later, 0.1832 M.  What is the initial rate of reaction of A, expressed in a) M s-1,  b) M min-1.

Q: Distinguish between reaction order and molecularity.

A: To differentiate between reaction order and molecularity.

Q: Define the following :(i) Order of a reaction(ii) Activation energy of a reaction

A: Chemical kinetics tells about the rate of reaction at which it occur.

Q: The collision theory states that in order to react, reactant particles must collide with sufficient…

A: Collision theory used to predict the reaction rates of chemical reaction mainly in gas phase…

Q: Consider the following balanced chemical reaction: A + B → C The following table shows initial…

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Q: For each of the following reaction diagrams, estimate the activation energy (Ea) of the reaction:…

A: (a) Activation energy is the minimum amount of energy needed by the compounds to give a result in a…

Q: Given the reaction inside the container, CO2 (g) + H2O (l) --> H2CO3 (aq). What will happen if the…

A: We know that When there is an increase in pressure, the equilibrium will shift towards the side of…

Q: lodine, k, is reacted with cyclohexanone, CeHi00, and the chemical equation is as following: The…

A: The rate law is given to be: Rate=-∆[I3-]∆t=k[H+]1[cyclohexanone]1[I3-]0 ---(1)

Q: If A → B is exothermic, how does the activation energyfor the forward reaction compare with the…

A: Activation energy is the amount of energy needed to convert reactants to products.

Q: QUESTION FIVE a. Define activation energy. b. Rank the following three reactions from fastest to…

A: Energy profile diagram :-  A graph of potential energy of reactants and products  versus reaction…

Q: Incffective collisions are collisions that involve particles a. without enough energy to react b.…

A: A multiple choice question about collision theory, which is to be accomplished.

Q: As substance A collides with substance B to form C, not all collisions of A and B result in the…

A: Every substance present on the earth or universe is made up of extremely small, indivisible…

Q: Which of the following components in the reaction below is a catalyst? H,O, + I H,O + IO (slow) H2O,…

A: Catalyst is a chemical substance that present in a chemical reaction to increase the rate of…

Q: How do I determine reaction order?

A: Answer

Q: Terminology Notes: Rate constant: A calculated value is required.; Rate law: A rate law exp Question…

A: There are following postulates of collision theory -  (1) The Reactant Molecules are considered as…

Q: If a reaction is exothermic, then the activation energy for the forward reaction is ____ the…

A: Consider an exothermic reaction of A --> B.

Q: In a reaction          A+ B --> AB the reaction took 50 sec to complete. It was observed that at…

A: kinetics of the reaction is the speed at which the reaction is occurring and is measured in terms of…

Q: For [A] vs. time: y = -0.0154x + 2.2911, R² = 0.9621 For In[A] vs. time: y = -0.0118x + 0.9163, R² =…

A: We have to find out order of reaction first then rate constant and them half life

Q: How does the collision theory explain the effect of temperature on rate of reaction? a. b. Describe…

A: 7.  a. We have to tell the effect of the temperature on the rate of a reaction, according to the…

Q: What determines whether a chemical reaction is exothermic or endotherr The amount of activation…

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Q: O a. only when there are two alternate pathways to take. O b. by providing an alternate pathway for…

A: Kinetic energy is directly proportional to the temperature

Q: Consider the following graph of the concentration of asubstance X over time. Is each of the…

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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: Consider the reaction T2U (g) ----> 2 T (g) + U (g). If given an initial reactant concentration…

A: Use zero order kinetics to solve the above problem.

Q: Which of the following does not affect the rate of a chemical reaction? A) The equilibrium…

A: catalyst does not effect rate of reaction.

Q: As the concentration of reactants decrease, the rate of the reaction generally O remains constant. O…

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Q: The following diagram represents an imaginary two-stepmechanism. Let the red spheres represent…

A: a) Since from the diagram, we can see that the A2 molecules i.e 2 red balls, are present 2 initially…

Q: Increasing the temperature will speed up the reaction because the number of collisions with energy…

A: For a chemical reaction, the rate of reaction increases as we increase the temperature of the…

Q: Determine the rate of the last set of reaction conditions. [A]o [B]o Rate, M/s 0.370 0.311…

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Q: If L was lowered by adding a catalyst, which of the following would be correct? 70- 60- 50 40- 30-…

A: On adding catalyst, Reaction goes through alternate pathway.

Q: Consider the reaction A→ B. The initial [A] is 0.10M. After 1.0 hour, 50% of A has reacted. What…

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Q: 11. This reaction happens very fast. Which of the following energy diagrams best represents this…

A: First reaction wil have the fastest rate because it has lowest value of activation barrier or…

Q: 5. Consider the following hypothetical reaction: AB, A + B Increasing the average rate of the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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

A: The Activation energy is the minimum amount of energy required for the reaction to occur . From the…

Q: Which statement is incorrect for the following reaction profile? A) The reaction is exothermic. 50…

A: A reaction is said to be exothermic if energy of reactants is higher than that of products. Here,…

Q: (a) According to collision theory, what three conditions must be met for two molecules to react?

A: Since you have posted multiple questions in a single session, we are entitiled to answer only first…

Q: How does subdividing (grinding up) the reactants affect the rate of a chemical reaction? O It…

A: How does subdividing/grinding the reactants affect the rate of chemical reaction?

Q: Which of the following is FALSE about reaction rates? O Increasing the temperature generally…

A: The correct option are : (A).  Increasing the temperature generally increases the rate constant.…

Q: A scientist is studying how certain factors affect the rate of a particular reaction. She observes…

A: Given : We have to tell the factors which leads to speedy reaction.

Q: In the reaction: 2 C2H6(g) + 7 O2(g) -> 4 CO2(g) + 6 H2O(g), increasing the concentration of C2H6(g)…

A:

Q: Explain the reaction by observing the sets of molecular collision

A: Given: The representation of the chemical reaction is provided. The given representation can be…

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

A: Catalyst are the molecules that are generally utilized to increase the rate of any biochemical…

Q: For the following reaction profile, indicate a. the positions of reactants and products. b. the…

A: The reaction coordinate diagram shows the energy of the reactants, products, and the transition…

Q: for the gaseous reaction A + B = C + D a gas He is added which doubles the total pressure but the…

A: The given gaseous reaction is as follows: A + B →  C + D The total pressure of the gas is doubled…

Q: For the reaction mechanism below answer the questions. Fast equilibrium…

A: For a general reaction,   A + B ----> C , rate law equation can be expressed as,…

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: 9. Which of the following is/are expected to affect the rate of a chemical reaction?

A: Kinetics is the study of rate of reaction  Rate of a reaction is defined as the speed at which the…

Q: For the hypothetical reaction:2 A(g) + B2(g) 2 AB(g)at a particular temperature, the reaction rates…

A: The given information is represented as follows:

Q: All other factors held constant, which graph represents the sample/reaction with the largest value…

A: The increase in temperature increases the rate of reaction by increasing the kinetic energy of the…

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: Given the intermediate step for the reaction: SO + O2 > SO2 + O Which collision path would be an…

A: Effective collision are those collisions which are responsible for the chemical reaction.  For the…