2H2O2(aq) → 2H2O(l) + O2(g) This reaction is first order, with a half life of 1085 seconds. What is the instantaneous rate of H2O2 decomposition, when [H2O2] = 0.20 M? 1.8×10-4 M s-1 1.3×10-4 M s-1 6.4×10-5 M s-1 6.4×10-4 M s-1 2.6×10-4 M s-1

Q: For a certain first-order reaction A-B, the concentration of A after 20 minutes is 75% of the…

A: Time taken = t = 20 minutes. Let initial concentration  = a0 =   x  But final concentration is 75%…

Q: Step 1 - H₂(g) + 2NO(g) --> N₂O(g) + H₂O(g) (slow) Step 2 - N₂O(g) + H₂(g) --> N₂(g) + H₂O(g) (fast)…

A: The rate law of a chemical reaction describes the relationship between the rate of the reaction and…

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N₂] [H₂]…

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Q: Suppose a 4.0L flask is charged under these conditions with 200. mmol of dinitrogen monoxide. After…

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Q: Avalid mechanism for the following overall reaction is given below. Overall reaction: 2 NO (g) + Cl2…

A: The rate law for the mechanism of the overall reaction can be obtained from the slowest step…

Q: 2. The reaction 2 NCI3 (g) → N2 (g) + 3 Cl2 (g) is found to follow second-order kinetics with rate…

A: Given, Rate constant (k) = 1.23 × 10-2 M-1s-1 Time (t) = 335 sec 2NCl3(g) ---------> N2(g) +…

Q: Consider the following reaction: 2 NO + O2 → 2 NO2 and the following set data. [NO] [02] (M) || (M)…

A: Let x is order with respect to NO and y is order with respect to O2

Q: A certain first-order reaction has a rate constant of 0.00950 1/min at 300 K. What is the half-life…

A: Half life is the time when the concentration of reactants becomes half.

Q: If the rate is given as —Δ[O2]/ΔΤ for a reaction, for the following reaction, what is the same rate…

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Q: The rate constant, k, for a first-order reaction is equal to 3.60 × 10-5 s-1. What is the half-life…

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Q: Calculate half-life if the decomposition of A(g) to (g), constant of 1.16x10 -4 min-¹ at 25°C. 3.1…

A: We are given a  decomposition reaction   with first order rate(k) constant is  1.16 x 10-4 min-1…

Q: For the reaction below in the presence of excess SCN and at 25 °C, the reaction is first order in…

A: rate constant(k) = 2.010-6 s-1Concentration of Cr3+ = 2.510-3 Mrate of reaction =?

Q: a The rate law for the reaction 2NOB1(9) → 2NO(g9) + Br2 (9) at some temperature is ΔΝΟΒ Rate = =…

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Q: The isomerization of methyl isocyanide, CH3NC - CH3CN, follows first-order kinetics. The half-lives…

A: The rate constant at 199oC (199 + 273 = 472 K) and at 230oC (230 + 273 = 503 K) are taken as k1 and…

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate…

A: We have rate constant as 0.0068 M/s, also it is 0 order reaction, we have initially Concentration as…

Q: At 45°C the rate constant is 6.2 x 10 s. The reaction is first order. a What is the rate law for the…

A: Given  Rate Constant ( K ) = 6.2 × 10-4 sec-1 Rate  Law      = ? B)  [ N2O5 ]   =  0.40 M…

Q: The decomposition of N2O5 to NO2 and NO3 is a first-order gas-phase reaction. At 25°C, the reaction…

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Q: The second-order rate constant for the following gas-phase reaction is 0.042 1/M.s. We start with…

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Q: Using the data in the table, calculate the rate constant of Trial [A] (M) [B] (M) Rate (M/s) this…

A: Given reaction,Rate law, -------(1)Where,x is the order with respect to Ay is the order with respect…

Q: Nitrogen pentoxide decomposes by a first-order process yielding N,O, and oxygen. 2N,O5 → 2N,O4 + O2…

A: Given, The reaction follow First order kinetics  Half - life for the reaction = 0.85 hr = 3060 sec…

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate…

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Q: The isomerization of cyclopropane to form propene is a first-order reaction. H2C CH2 H3C-CH=CH2 CH2…

A: Cyclopropane ---> Propene t = 6.8 min [At] = [A0] e-kt 0.85 [Ao] = [A0] e-k(6.8) 0.85 = e-k(6.8)…

Q: Considering the states of the reactants in the two elementary steps given, which would you predict…

A: Rate determining step is the slowest step of the reaction.  Among two elementary steps , which step…

Q: Write the rate law for the following reaction based on the data given below. [OCl-] + I−   →    OI-…

A: The general form of the rate law for the given reaction would be: Where alpha and beta are the…

Q: The rate data for the reaction shown is presented in the table: H2SeO3(aq) + 6 I–(aq) +4 H+(aq)…

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Q: A first-order reaction was found to have a half-life of 8 hours at a constant temperature. What

A: The half-life of a first-order reaction does not depend on the initial concentration of the…

Q: The rate of a certain reaction is given by the following rate law: rate=k [NO] ² [0₂] Use this…

A: Given that, the rate law of a certain reaction is given below rate = k[NO]2[O2]. We have to answer…

Q: Nitric oxide reacts with hydrogen to form nitrous oxide, and water. Use the following data to…

A: Let the rate law for the reaction: rate = k [NO]x[H2]y   From trail 1: 1.46 =k (0.021)x(0.065)y

Q: Iodide ion is oxidized by hydrogen peroxide in acidic solution. H2O2 (aq) + 31 (aq) + 2H† (aq) → I5…

A: Given reaction: H2O2 (aq) + 3I- (aq) +2H+ (aq) → I3- (aq) + 2H2O (l) Given rate law of the reaction:…

Q: The following sequence of elementary steps is a proposed mechanism for the reaction. Based on the…

A: RATE DETERMINING STEP The slowest step in the reaction is termed the rate-determining step of the…

Q: The first- order decomposition of N2O5 at 328 K has a rate constant of 1.70 ×  10 -3  s -1 . If the…

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Q: The chemical reaction shown was performed and the concentration of HCI was measured over time.…

A: Given reaction: Cl2(g) + CHCl3(g) → HCl(g) + CCl4(g) The [HCl] after 23 s = 0.049 mol/L The [HCl] of…

Q: Chlorine monoxide accumulates in the stratosphere above Antarctica each winter and plays a key role…

A: 2ClO(g) ----> Cl2(g) + O2(g)Reaction follows second order kinetics.Rate constant (k) = 6.48 × 109…

Q: What properties could you ideally measure in an experiment to monitor the rates of the following…

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Q: A first-order reaction has rate constant, k = 0.217 min-1. What is the half-life for the reaction?…

A: Given - - > k = 0.217 min-1   The reaction is of first order and the half life for the first…

Q: Time (s) 0 1 2 3 4 5 [N2O5] (mol.dm-3) 1.000 0.705 0.497 0.349 0.246 0.173…

A: The concentration of reactant N2O5 and time is given as, Time (s) 0 1 2 3 4 5…

Q: What is the half-life (hr) for the decomposition of O3 when the initial concentration of O3 is 6.5 ×…

A: Given:: Initial concentration = [O3]0= 6.5×10-5M Second order rate constant, k=59.3 L mol-1 h-1 half…

Q: Write the relative reaction rates for the following reaction:   A + 2B → C

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Q: . The decomposition of SO₂Cl₂ is a first-order reaction, S₂OCL2 (g) --------> SO₂ (g) + Cl₂ (g). The…

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Q: Decomposition of A occurs according to the following kinetic scheme: A??1→B A??2→C A??3→D The…

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Q: Given the following kinetic data for the first order production of H2O2, what is the rate constant…

A: The rate constant for a first order reaction can be calculated by general formula - t1/2 = 0.693/k…

Q: The isomerization of methylisonitrile to acetonitrile CH 3NC(g) → CH 3CN( g) is first order in CH…

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Q: At a certain temperature the rate of this reaction is first order in H₂PO4 with a rate constant of…

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Q: What is the rate law for the following reaction? H2SO4 O Rate k[C3 H15 OH] [H, SO4] ORate k[C3H15…

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Q: After 8.11 min, 88.9% of the reactants is consumed for a given first-order reaction. Calculate the…

A: Given that, Initially, percentage of reactant present= 100% Consumed reactant = 88.9 % then, Amount…