Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s−1. If you start with 0.035 M of I2 at this temperature, how much will remain after 2.56 s assuming that the iodine atoms do not recombine to form I2?

Q: Decay of a pollutant is a 1st order reaction with a half-life of 55 days. How many days are needed…

A: If initial concentaration= 100 Final concentration= 100-90=10

Q: What is the half-life for the decomposition of NOCl when the concentration of NOCl is 0.15 M? The…

A: Given information: The initial concentration of NOCl is 0.15 M The rate constant for second order…

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

A: (a) First order half-life equation is,                                     Given, Rate constant =…

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

A: a) Half life of first order reaction =0.693K = 0.693 0.271 = 2.557  SO half life for the reaction is…

Q: In determination of reaction order, What does it mean if the order of the reaction with respect to…

A: Order of reaction: The order of reaction can be defined as the power dependence of rate of any…

Q: Radioactive decay is a first-order kinetic process. The half-life for the decay of plutonium-239 is…

A: Radioactive decay always follows first order kinetic process , so we have to use the formulas of…

Q: Dinitrogen tetraoxide, N2O4, decomposes to nitrogen dioxide, NO2, in a first-order process. If k=…

A:

Q: The decomposition of a radioactive substance is a first-order reaction. If the half-life of the…

A: Given: Initial concentration=[Ao]=0.360 MFinal concentration=[A]=0.0450 Mt12=69.3 hr To calculate:…

Q: The half-life for radioactive decay (a first-order process) of plutonium-239 is 24,000 years. How…

A: SOLUTION: Step 1: Half-life of Plutonium- 239 is 24,000 years. The radioactive disintegration…

Q: The rate constant for a first order reaction is 0.0640 1/s. What is the half-life for this reaction?

A:

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

A: The integrated rate law for first-order reaction can be given as,

Q: The decomposition of A to B is a first-order reaction with a half-life of 13.1 min: A → 2B If the…

A: Given : The reaction is a first order reaction. Half life of reaction = 13.1 min Initial…

Q: The first-order reaction, SO2C12 –→ SO2 + Cl2, has a rate constant equal to 2.20 x 10s will remain…

A:

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 →…

A:

Q: As described in Exercise 14.41, the decomposition of sulfurylchloride (SO2Cl2) is a first-order…

A: Since we know that the relationship between the concentration of reactant i.e [A] and time for a…

Q: A particular first-order reaction has a rate constant of 0.0167 hr What is the half-life for this…

A: Given  rate constant for first order reaction = 0.0167 hr-1   To find half life for this reaction.

Q: certain substance, initially at 0.10 M in solution, decomposes by second-order kinetics. If the rate…

A: The question is based on the concept of chemical kinetics. it talks of second order reaction for…

Q: (b) Below is the chemical equation for the decomposition of dinitrogen pentoxide at 335 K. This is a…

A:

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

A: We have rate constant as 0.271s-1 . Initial concentration as 0.04 M , we have to calculate the…

Q: he half-life, t2, of a chemical reaction is proportional to the initial concentration of the…

A: Half Life (t1/2):

Q: The activation energy for a reaction is changed from 184 kJ/mol to 59.0 kJ/mol at 600. K by the…

A: Activation energy (Ea) is changed from 184kJ/mol to 59.0kJ/mol Temperature = 600K Catalyzed reaction…

Q: The decomposition of sulfuryl chloride (SO₂Cl₂) is a first-order process. The rate constant for the…

A: Given: Rate constant (k) is 4.5×10-2 s-1. Initial pressure is 335 torr. Time is 62 s.

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

A: The decomposition reaction of chlorine monoxide is 2 ClO (g) → Cl2 (g) + O2 (g) The second order…

Q: The isomerization of cyclopropane, C3H6, to propylene, CH2=CHCH3, is first order in cyclopropane and…

A:

Q: How long (in s) would it take

A:

Q: The decomposition of hydrogen peroxide is considered to be a first order reaction.  The rate…

A: Given: The rate constant = 6.40 × 10-5 s-1 The initial concentration of H2O2 = 0.30 M

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

A: Given: The first-order rate constant for the dissociation of molecular iodine, I2 (g) = 0.271 s-1 We…

Q: concentration

A:

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

A:

Q: Nitrogen pentoxide decomposes by a first-order process yielding N,O4 and oxygen. 2N,05 → 2N,04 + O2…

A: The balanced chemical equation for the decomposition of N2O5 is,  2 N2O5 → 2 N2O4 + O2  The half…

Q: In a first order decomposition in which the rate constant is 0.0287 sec-1, how long will it take (in…

A:

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 →…

A: Given: Initial concentration of N2O5 = 0.22 M Rate constant = 5.25 x 10-4 s-1 Time taken = 10…

Q: Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order in…

A:

Q: It took 774.7 s for 42.04% of a substance to react according to first-order kinetics. What is the…

A: K = 2.303/t log (a/(a-x)) where K = first order rate constant = ? s-1 t = time taken = 774.7 s a =…

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 →…

A:

Q: The decomposition of radioactive iodine is a first-order process with a half-life of 8 days. If the…

A: Half-life is the time required for the reaction to be half completed. It is denoted by t1/2 . For a…

Q: What is the rate constant of a first-order reaction that takes 459 seconds for the reactant…

A: The time taken during a reaction to reduce the concentration of a reactant to half of its initial…

Q: The rate constant for a particular zero-order reaction is 0.075 M s1 If the initial concentration of…

A: Detail mathematical calculation to find out the value of time for given zero order reaction is shown…

Q: A certain first-order reaction has a rate constant of 1.60×10−3 s−1. How long will it take for the…

A: Use integrated first order rate equation for the calculation of the time required for the above…

Q: The half-life for the decomposition of dinitrogen pentoxide at 70 °C is 101.6 s. At the beginning of…

A: Given, Half life = 101.6 s Initial [N2O5] = 0.025 moles Final [N2O5] = 0.01 mol

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 →…

A:

Q: The gas-phase decomposition of SO2Cl2 , SO2Cl2(g)→SO2(g)+Cl2(g), is first order in SO2Cl2 . At 600 K…

A:

Q: Given the reaction  2N2O(g) → 2N2(g) + 1O2(g)  Is a first order reaction with a half-life of 3580…

A:

Q: Gaseous NO2 decomposes by a second order process and the rate constant at 573 K is 1.1 x 102 dm3…

A:

Q: The isomerization of cyclopropane, C3H6, to propylene, CH2=CHCH3, is first order in cyclopropane and…

A: The rate law for the given reaction can be written as   rate = k[C3H6]   For a first-order reaction,…