2. The decomposition of a pollutant in water at 15°C occurs with a rate constant of 2.39 y', following first-order kinetics. If a local factory spills 6,500 moles of this pollutant into a lake with a volume of 2,500 L, what will the concentration of pollutant be after two years, assuming the lake temperature remains constant at 15°C?

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: The gas phase decomposition of dinitrogen pentoxide at 335 K N2O3(g)2 NO,(g) + % O2(g) is first…

A:

Q: The gas phase decomposition of nitrogen dioxide at 383 °C NO2(g)NO(g) + ½ O2(g) is second order in…

A: The given reaction is as follows:          The value of rate constant (K) for second order can be…

Q: Radioactive decay is a process that follows first-order kinetics. The half-life of 24Na is 0.001712…

A:

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

A: The integrated equation for first order reaction is expressed as :

Q: The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half…

A: Given:Initial concentration = 1.1 μg/mLTime = 268 min

Q: A certain medication contains 200 mg of active ingredient per tablet. The medication is metabolized…

A: Initial Amount = 200 mg  According to question 150 mg has been metabolised in the body &…

Q: Carbon 14 which is present in all living tissue, radioactively decays via a first order process. A…

A: Given: Activity of fresh wood sample = 13.6 counts per min. Half-life of C-14 = 5720 years. And the…

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 certain insecticide in water at 12oC follows first-order kinetics  with a…

A:

Q: The decomposition of nitrogen dioxide at a high temperature is second order in this reactant.…

A: Given that the reaction is a second order reaction. Integrated rate law of a second order reaction…

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

A:

Q: For the reaction of BF, (g) + NH, (g) F,BNH, (g) the second-order rate constant k at 100° C is 3.41…

A: Given chemical Reaction is of 2nd order reaction. Rate constant (k) = 3.41 M-1S-1  Initial…

Q: The thermal decomposition of a substance is a first-order reaction with a rate constant of 2.42x…

A: Given;First order reactionk=2.42x10-4s-1⇒I think it is correct34th sample decomparet=?

Q: The decomposition of nitrogen dioxide gas (NO2) to nitrogen monoxide (NO) and oxygen(O2) gases is a…

A: Here decomposition of NO2 to NO and O2 gases is a second order chemical reaction. The initial…

Q: A particular reactant decomposes with a half‑life of 155 s155 s when its initial concentration is…

A: For the same reactant, if the half life increases with the decrease in the concentration then it…

Q: The gas phase decomposition of NOBr is second order in NOBr, with a rate constant of 0.810 M−1s−1…

A: The integrated rate law expression for second order reaction can be written as follows: 1A  =  1A0…

Q: The gas-phase decomposition of (CH3)2O, (CH3)2O  CH4(g) + H2(g) + CO(g), is studied at a certain…

A: Given data Time (s) Concentration , [A]=[(CH3)2O] (M) 0 0.100 2x103 0.0358 4x103 0.0128…

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: Derive an expression for the half-life of a second-order reaction in terms of the rate constant k.

A: The time in which half of the reactant gets decomposed is known as half life time of the reaction…

Q: The reaction SO,Cl2 (g) --> SO2 (g) + Cl2 (g) is first order. At 660 K it has a rate constant of 4.5…

A: First order reaction. Rate constant = 4.5 × 10-2 s-1 time = 18.9 seconds Initial concentration =…

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

A: Half Life (t1/2):

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: A biochemist studying the breakdown of the insecticide DDT finds that it decomposes by a first-…

A:

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction: 2 N205 + 4…

A: Initial concentration = 0.150 M  Time given = 10 minutes = 600 s

Q: The gas phase decomposition of sulfuryl chloride at 600 K so̟Cl2(2)SO,(g) + Ch(g) is first order in…

A: Given;

Q: A drug solution decomposes via first-order kinetics with a rate constant, k, of 0.0077 days-1. What…

A: The given condition is 1st order we know for  1st order , t1/2= 0.693/K 1

Q: How long (in s) would it take

A:

Q: The gas phase decomposition of dinitrogen pentoxide at 335 K N,Os(g) 2 NO2(g) + ½ O2(g) is first…

A:

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

A: Given the first-order reaction: 2N2O5 → 4NO2 + O2   The integrated-rate law equation for studying…

Q: The decomposition of an insecticide in the environment follows second order kinetics with a rate…

A: Consider the reaction 2A + B 2C.Suppose that at a particular momentduring the reaction, rate…

Q: Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of…

A:

Q: The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half…

A: The expression of half-life (t1/2) for a first-order reaction is: t1/2=0.693k······(1) Here, k is…

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: concentration

A:

Q: It is found that a gas undergoes a zero-order decomposition reaction in the presence of a nickel…

A:

Q: The rate constant, k, is determined to be 0.25 M-1s-1 and the initial concentration is 0.50 M of a…

A: Given: Initial concentration = 0.50 M Rate constant = 0.25 M-1.s-1   Chemical reaction be, 2A →…

Q: It has been found that DDT in the soil decomposes by a first-order reaction with a half-life of 12.0…

A: DDT decomposes following the first-order kinetics. Half-life =12.0 yr Initial concentration, [A]o…

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: It is very desirable that pesticides eventually decompose in the environment to give harmless…

A: The half-life of a reactant species is the time required to consume half of its initial…

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: The decomposition of aqueous hydrogen peroxide (H2O2) to gaseous oxygen and water is a 1st order…

A: t1/2 = 0.693/ K

Q: A certain substance, initially present at 0.500 M, decomposes by second-order kinetics with a rate…

A: Rate constant (k)= 4.0×10-1 L/mol.min Initial concentration (Ao) =0.500 M Concentration after time t…

Q: What does the term  half-life  mean? Write the expressions for the half-lives of zero-order,…

A: Half-life is the time period during which element losses half of its total initial amount. For the…

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: The half-life of a first-order reaction is found to be 28.25 min.What is the value of the rate…

A: