(a)
Interpretation:
The given blanks have to be filled with suitable answer.
Concept Introduction:
The instantaneous rate of the reaction is referred to the change in the molar concentration in the distinct interval of time. The instantaneous rate of consumption or the disappearance of reactant is negative. Mathematical expression is shown below.
The instantaneous rate of formation or the appearance of reactant is positive. Mathematical expression is shown below.
(b)
Interpretation:
The given blanks have to be filled with suitable answer.
Concept Introduction:
Same as part (a).
(c)
Interpretation:
The given blanks have to be filled with suitable answer.
Concept Introduction:
Same as part (a).
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ACHIEVE/CHEMICAL PRINCIPLES ACCESS 1TERM
- You are studying a binding reaction where 2 molecules of A come together to form an AA dimer. The rate of binding is slightly less than diffusion controlled with a rate constant of 2 x 106 M-¹ s-¹. The rate at which the complex dissociates is 0.1 s-¹. (a) Calculate Kp for this reaction. (b) Assuming that you start with 1 mM A, calculate the first two half-lives for the reaction. In this latter calculation, assume that the rate of dissociation is 0.arrow_forward3 / 3 100% + | 5. The following series of reactions show the catalyzed conversion of oxygen to ozone: ½ 0, (g) + NO (g) → NO, (g) 2 NO, (g) → NO (g) + O (g) 2 O, (g) + O (g) → 0, (g) -> a) Write the overall reaction. b) Is NO, or NO the catalyst for this reaction? Explain your answer. the following reaction:arrow_forward22.7b The rate constant for the first-order decomposition of a compound A in the reaction 2 A → P is k = 2.78 × 10−7 s −1 at 25°C. What is the half-life of A? What will be the pressure, initially 32.1 kPa, at (a) 10 s, (b) 10 min after initiation of the reaction?arrow_forward
- If the initial concentration of XY is 0.225 mol·L−1, how long will it take for the concentration to decrease to 6.95 × 10−2 mol·L−1 ?. Half life (t1/2)= 1336s or 1.336x103arrow_forwardA reaction that contributes to the depletion of ozone in thestratosphere is the direct reaction of oxygen atoms withozone:O(g) + O3(g) ----->2 O2(g) At 298 K the rate constant for this reaction is 4.8 x105M-1 s-1. (a) Based on the units of the rate constant, writethe likely rate law for this reaction. (b) Would you expectthis reaction to occur via a single elementary process?Explain why or why not. (c) Use ΔHf° values estimate the enthalpy change for this reaction.Would this reaction raise or lower the temperature of thestratosphere?arrow_forwardThe rate constant for the decomposition of a given ore is 0.0475 s-1. (a) what is the half-life of the ore? (b) how long (in s) is required för 56.5 % of the ore to decompose?arrow_forward
- Hydrogen gas and iodine vapor react as H2(g)+ I2(g) → 2HI(g). The activation energy of the formation of HI is 1.03x102 kJ whereas the activation energy of the dissociation of HI is 1.77x102 (a). Calculate the enthalpy of reaction for the reaction. (b). Sketch the energy profile for the reaction between hydrogen and iodine. Platinum acts as a catalyst for the reaction above. Sketch the energy profile for the catalyzed reaction in the energy profile. (c). Name the type of catalysis involved and explain qualitatively how the presence of platinum catalyzes the reaction above.arrow_forward(a) The following equation shows the decomposition of SO;Cl; with a rate constant, k= 5.09 x 10*s' at 320 K: SO:Che) → SO:(e) + Che State the order of the reaction. (ii) Sketch a graph of the reaction rate versus the concentration of SO:Cl. (iii) At 320 K, 1.0 mol of SO:Cl, is left decompose in a 2.0L container. Determine the concentration of SO:Clh after 30 minutes. (b) State two requirements for effective collisions. (c) Explain how the rate of reaction is affected by the following factors: (1) Pressure (1) Particle sizearrow_forward22.4b The rate law for the reaction in Exercise 22.2b was reported as d[C]/dt = k[A][B][C]−1 . Express the rate law in terms of the reaction rate; what are the units for k in each case?arrow_forward
- Does the stoichiometric ratio convey information about the actual quantity of reagents used? The role of a particular "ingredient" in a reaction might be deduced by the number of equivalents of that species used in the reaction. For example, how might you identify a catalyst based on the number of equivalents used?arrow_forwardThe following reaction takes place. 4Li + O2=2Li2O. After two minutes, 4g of lithium has been used. Calculate the rate of the reaction.arrow_forwardIn a study of the formation of HI from its elements, H2(g) + 12(g) == 2HI(g) equal amounts of H2 and 12 were placed in a container, which was then sealed and heated. (a) On one set of axes, sketch concentration vs. time curves for H and HI, and explain how Q changes as a function of time. (b) Is the value of Q different if [12] is plotted instead of [H2]?arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning