The activation energy for a first order reaction is 100.6 kj/mole at 121°C. What is the rate constant at this temperature if the frequency factor is 1 x 10^12

Q: If the initial surface coverage is 8.9 x 10^16 molecules / cm2, how long will it take for half of…

A: Given information,     [A]0  =   8.9 * 1016 molecules/cm2     k  =  1.92 * 1013 molecules/cm2 s…

Q: The reaction C4H8(g)⟶2 C2H4(g) has an activation energy of 262 kJ/mol. At 600.0 K, the rate…

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Q: The compound 1,1-difluoroethane decomposes at elevated temperatures to give fluoroethylene and…

A: Given: Rate constant (k) = 5.8 ×× 10–6 s–1 and the a Activation energy (Ea ) = 265 kJ/mol…

Q: The reaction of NO and O2 produces NO2. 2 NO(g) + O2(g) → 2 NO2(g) The reaction is second-order…

A: Rate of reaction is directly proportional to the initial concentration of the reactant…

Q: In a study of the temperature-dependence of a reaction, it was determined that the activation…

A: Arrhenius Equation: Svante Arrhenius created the Arrhenius equation in 1889 to demonstrate how…

Q: The frequency factor and activation energy for a chemical reaction are A = 6.11  x 10–12…

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Q: 9. At a given temperature, a first-order reaction has a rate constant of 2.5× 10–3 s–1.How long will…

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Q: In the presence of excess thiocyanate ion, SCN-, the following reaction is first order in iron(III)…

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Q: Ozone decomposes to form oxygen molecules and oxygen atoms, O3(g)→O2(g) + O(g), in the upper…

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Q: The rate constant of a first-order reaction is 4.60 x 10−4s−1 at 350 degree Celsius. If the…

A: Here we are required to find the temperature for which the rare constant is 8.8×10-4 s-1

Q: A first-order reaction has a rate constant of 3.82 × 10-5 s-1 at 292 K. If the activation energy is…

A: Arrhenius equation shows the relation between the rate constant at two different temperatures.…

Q: The frequency factor and activation energy for a chemical reaction are A = 7.77 x 10–12…

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Q: Consider the reaction 2HI→H2+I2. The rate of disappearance of HI follows the second order rate…

A: [A] = 0.322 Mt = 15.0 s[A]0 =?rate constant(k) = 2.0110-2s-1

Q: The rate constant for this first‑order reaction is 0.550 s−1 at 400 ∘C. A⟶products How long, in…

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Q: Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of…

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Q: A particular first-order reaction has a rate constant of 0.015 s–1. What is the half-life for this…

A: Given -> Rate constant = 0.015 s-1 -> Half life of first order reaction is independent of…

Q: Consider the following reaction. aA +bB →→ cC whose first and second half-lives are 49.8 and…

A: Given: The half life of the reaction, (t1/2)=49.8 min. The rate constant, (K) = 0.01392. The initial…

Q: Consider the following reaction. aA +bB →→ cC whose first and second half-lives are 24.1 and 12.05…

A: Given:Rate constant (k) = 0.3251[A]0 = 15.67First half-life (t1/2 ) = 24.1 minutesNow, we can…

Q: The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420…

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Q: For the gas phase decomposition of trichloromethyl chloroformate, CICOOCC13 → 2 COC12 the rate…

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Q: What is the activation energy in kJ/mol for this reaction?

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Q: The reaction 2 A(aq) → B(aq) + C(aq) is a first order reaction with respect to A(aq). If we exactly…

A: The reaction : Temperature changes from . The rate increases by factor of 63.0 .

Q: The decomposition of ammonia, NH3, is zero order. The rate constant for this reaction at a…

A: The given data is as follows:      Rate constant for zero order reaction (k) = 5.32×10-3 molL-1s-1…

Q: At a given temperature, a first-order reaction has a rate constant of 1.5 × 10–3 s–1. The time…

A: Given data is as follows:                The rate constant (K) of the first order reaction =…

Q: The decomposition of phosphine gas (PH3), is a first order process with respect to the concentration…

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Q: What is the time required for the reaction to be 62% completed

A: Answer:- For a first order reaction the equation is:-    K= (2.303/t)log (a/a- X)   a= initial…

Q: The activation energy of a reaction is 56.5 kJ/mol and the frequency factor is 1.5×10^11/s.…

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Q: The decomposition of ammonia on a platinum surface at 856 °C NH3 → 1/2 N₂ + 3/2 H₂ s zero order in…

A: A zero order reaction is independent on concentration of reactant

Q: A certain first-order reaction (A→products) has a rate constant of 7.50×10−3 s^−1 at 45∘C. How many…

A: Given: Order of reaction = 1  Rate constant of the reaction = 7.50 X 10-3 s-1. And final…

Q: The rate constant for the reaction 2N2O5(g) → 4NO2(g) + O2(g) is equal to 3.41 x 10–5 s–1 at 30 ºC.…

A: The concentration of N2O5 at time t= 175min is calculated as,

Q: , the half-life of a first-order reaction

A: The half-life of a reaction is the time required for the reactant concentration to decrease to…

Q: Suppose a 300.mL ⁢ flask is charged under these conditions with  500.mmol of hydrogen iodide. After…

A: The reaction is  2HI(g)→H2(g)+I2(g) Half life time = Co/2k The rate equation is  Co =Ct +nkt…

Q: The decomposition of hydrogen iodide on a gold surface at 150 °C HI(g) → 2 H₂(g) + ½/2 1₂ (9) is…

A: Reaction in which rate does not depend upon any reactant is known as zero order reaction.

Q: A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide…

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Q: Consider the following reaction. aA +bB →→ cC whose first and second half-lives are 18.4 and 36.8…

A: Given, First Half life = 18.4 mins Rate constant (k) = 0.005408 [Ao] = 10.05 Find, [A] at 23.12…

Q: Consider the following reaction. aA +bB →→ cC whose first and second half-lives are 36.9 and 18.45…

A: Given- first half life T12 =36.9 msecound half life T12=18.45[A]o=17.77 [A] =?rate constant =0.2408…

Q: The rate constant of a first-order reaction is 2.65 x 10 139 kJ/mol, calculate the temperature at…

A: It can solved using Arenhius equation as shown below

Q: The hydrolysis of the sugar sucrose to the sugars glucose and fructose can be described as follows.…

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Q: For the elementary process, CH3Cl(g) + Cl(g)  CH3(g) + Cl2(g), the rate constant increases by a…

A: Given: Rate constant of reaction at 320 K = 23 times that of rate constant at 298 K.

Q: a)The activation energy of a certain reaction is 48.9 kJ/mol. At 27  ∘C , the rate constant is…

A: Given data is as follows: The activation energy of the reaction Ea= 48.9 kJ/mol = 48900 J/mol…

Q: Methyl acetate (CH3COOH3) reacts with water in the presence of an acid to produce methanol and…

A: for a first order reaction K=2.303tlog(aa-x)............1where,K=is the rate…

Q: The hydrolysis of cisplatin is a first order reaction. Given that k = 2.50 x 10-5 s-1, what is the…

A: The hydrolysis of cisplatin is a first order reaction. Rate constant (k) = 2.50 x 10-5 s-1Half Life…

Q: The reactant concentration in a second-order reaction was 0.230 MM after 230 s and 4.20×10−2 MM…

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

A: A numerical problem based on zero order reaction, which is to be accomplished.

Q: The rate constant of the elementary reaction C4Hs (9)→2C₂H4 (9) is k=1.23 x 10 sat 427 °C, and the…

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Q: The rate constant for a first-order reaction in the temperature range 320.0 K to 350.0 K was found…

A: The activation energy is given by the equation: Given the equation is:

Q: A reaction is run and the rate constant found to be K=6.77 X 10^10 at 560K, repeated measurements at…

A: Given data,Rate constant (k)=6.77×1010Temperature (T)=560KActivation energy (Ea)=74.8kJ/mol

Q: half-life for the reaction

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