A decomposition reaction has a rate constant of 1.685 yr 1. How long does it take for 9 to reach 67% of its original value? (Enter 2 decimal places)

Q: The rate law for the reaction A → P is rate = k[A]^3. The first half-life of the reaction is 27…

A: Given information,              First half-life of the given reaction is 27 seconds.

Q: What is the concentration of a reactant after 21.5 s if the initial concentration is 0.150 M and the…

A: Given data: Time t=21.5 s. Initial concentration [A0]=0.150 M. Rate constant k=5.4 x 10⁻² s⁻¹. To…

Q: A certain decomposition reaction is first order with a rate constant of 6.85*10-4 s-1  at 25 degrees…

A: *  First order reaction =>               Rate = [A]¹                OR           Kt = ln {A0/A}…

Q: If a reaction is first order with a rate constant of 0.0450 s¯1, how much time is required for 65%…

A: A reaction is define as first order is the rate constant depend upon only one reactant there may be…

Q: 4) What order is a reaction that has a rate constant with the following units: M-¹ S-¹ 5) What order…

A: Given,  The units of rate constant is M-1 s-1 the order of the reaction is:

Q: The rate constant for this first‑order reaction is 0.0660 s−1 at 400 ∘C. A⟶products After how many…

A: GivenK = 0.066 s-1Temperature = 400°CFinal concentration = 20.5% of original

Q: A decomposition reaction has a rate constant of 0.175 1/ yr. How long (in years) does it take for…

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Q: A reaction has a rate constant of 0.00205 s–1. What is the half-life (in min to two decimal places)…

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

A: Given reaction: 2N2O5(g) → 2N2O4(g)+O2(g) The initial concentration of N2O5 = 1.47 M Rate constant =…

Q: 20. 0.0328 M 30. 0.0245 M 40. 0.0196M Use this data to answer the following questions. Write the…

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Q: Consider this reaction: NH₂OH(aq) → NH3(aq) + H₂O (aq) At a certain temperature it obeys this rate…

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Q: Considering the following reaction: 2 N2O (g) --> 2 N2 (g) + O2 (g)  write the rate law. write…

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Q: Consider the following decomposition reaction: 2HI(g) → H2(g) + 12{g) At a particular temperature,…

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Q: Explain Under what circumstance is the specific rate constant (k), not a constant.What does the size…

A: The specific rate constant is not constant if the reaction is not isothermal as it is a function…

Q: A decomposition reaction has a rate constant of 0.030 1/ yr. How long (in years) does it take for…

A: The given data contains, A = final { reactant } = 20.5 % of A0 = 0.205 A0 And K= rate constant…

Q: What is the concentration of a reactant after 20.5 s

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Q: Suppose that the rate constant of a reaction decreases by a factor of 1.23 when the temperature is…

A: Arrhenius equation:      k = A e-Ea/RTFor rate constant at two different temperatures,   ln k2k1 =…

Q: While tracking a reactant concentration during a chemical reaction, A a graph of In[reactant]…

A: Given: The best fit curve between ln[reactant] v/s time is given by, => y = -0.739 x + 0.528…

Q: At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 103…

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Q: A reaction has a rate constant of 1.27×10−4 s−1 at 28 Celsius and 0.234 s−1 at 79 Celsius. What is…

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Q: The rate constant for the decomposition of nitrogen dioxide NO2(g) > NO (g) + 1/2 02(g) with a laser…

A: To solve this first we have determine the order of reaction by using rate law Rate = K[A]n  Where K…

Q: What is the concentration of a reactant after 27.0 s if the initial concentration is 0.150 M and the…

A: The following information given in the question - Initial concentration of the Reactant = 0.150 M…

Q: Of the following, all are valid units for a reaction rate except ________.     g/s     mol/L-hr…

A: Rate of Reaction is defined as the rate of change in concentration of reactant or product per unit…

Q: Write the rate law for the following reaction, which represents an elementary step in a reaction.…

A: The rate law for given elementary reaction is given in step 2

Q: A reaction has a rate law of Rate = (1.25 M⁻²s⁻¹)[A][B]². What concentration of [B] would give the…

A: The rate law or rate equation of a chemical change is a calculation that connects the initial and/or…

Q: 2Ng) + 312(9) → 2N13(9) k3 = 4.76 × 10- the overall (net) equation? intermediate products below:…

A: Net reaction is the sum of intermediate reactions. Slow step is rate determining step whose K is…

Q: A substance decomposes with a rate constant of 9.05 x 10-4 s1. How long does it take for 12.5% of…

A: Given, Rate constant(K)=9.05×10-4s-1. Let the initial concentration of the substance =100%.…

Q: The rate constant for a certain reaction is k = 8.80×10−3 s−1 . If the initial reactant…

A: From the unit of rate constant we can say that it is first order equation

Q: The rate law for your reaction is Rate= k[NO2]?. The rate constant for this reaction is 2.5 x 103/M…

A: 4) Given, Rate law for the reaction, Rate = k[NO2]2 From rate law we can say that this is a second…

Q: What is the concentration of a reactant after 11.0 s if the initial concentration is 0.150 M and the…

A: Given, initial concentration [A°] = 0.150 M Time (t) = 11.0 s Rate constant (K) = 5.4 x 10-2 s-1…

Q: A decomposition reaction has a rate constant of 0.0012 y -1. How long does it take for [reactant] to…

A: Since the units of rate constant is in time-1  hence the reaction is first order as the units of…

Q: What is the concentration of a reactant after 12.5 s if the initial concentration is 0.150 M and the…

A: Given, rate constant (k) = 5.4×10-2 s-1 time (t) = 12.5 s initial concentration of reactant, [A0] =…

Q: 2. A reaction has an activation energy of 225,0 kJ/mol. By what factor will the rate constant, k,…

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Q: The reaction 2A(g) + B (g) →3C (g) +D (g) was found to have a rate law = k[A]²[B]. By what factor…

A: Given reaction is  2A(g) + B(g) -----> 3C(g) + D(g)  Rate Law is  rate = k[A]2[B] Pressure of A…

Q: the rate constant of a chemical reaction is 1.65 x 10-5 s-1.  what is the value of the constant in…

A: Rate constant is the proportionality constant of a rate equation by which we can express the  rate…

Q: a) What is the rate law for this reaction? b) Calculate the rate constant k and express it in…

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Q: For a certain reaction, the frequency factor A is 3.4 x 10° s and the activation energy is 15.9…

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Q: The reaction is 2A3 3B2 + F The corresponding rate law is, rate = k[A3]? [F]-1. It means that the…

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

Q: 4. A certain chemical reaction has a rate constant of 1.50 L/mol·min at 45.0°C with an activation…

A: The question is based on the concept of chemical kinetics. We have to calculate rate constant at…

Q: At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-…

A: The concentration of the reactant at time 't' is given by,     [A]t = [A]oe-kt where, [A]o is the…

Q: Consider this reaction: NH,OH (аg) NH3 (aq)+H,0 (aq) At a certain temperature it obeys this rate…

A: Interpretation -  To determine the how much time it take for the concentration of NH4OH to decrease…

Q: The activation energy of a reaction is 56.8 kj/mol, and the frequency factor is 1.5 x 1011.…

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Q: If a reaction is first order with a rate constant of 0.0450 s⁻¹, how much time is required for 75%…

A: The given information is as follows: The rate constant of the first order reaction (K) = 0.0450 s-1…

Q: A reaction has a rate law of Rate = (1.25 M⁻¹s⁻¹)[A][B]. What is the rate of the reaction if [A] =…

A: Given  Rate law ( R ) = 1.25 M-1s-1 [A ] [ B ]  [ A ]  = 0.713 M  [ B ]  = 0.280 M  Rate of a…

Q: Write the rate law for the following reaction, which represents an elementary step in a reaction.…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: The conversion of cyclopropane to propene in gas phase has a rate constant equal of 6.70 x10-4 s-1.…

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Q: The rate constant for a certain reaction is k = 2.00×10−3 s−1 . If the initial reactant…

A: NOTE : Since the units of concentration is written MM which is not a proper unit. Hence I'm assuming…

Q: A first-order reaction has a rate constant of 7.5 x 103 s. How many seconds does it take for the…

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Q: If a reaction is first order with a rate constant of 0.0450 s⁻¹, how much time is required for 65%…

A: Given :  First order rate constant = 0.0450 s⁻¹ how much time is required for 65% of the initial…