28)The rate constant for the What is the half-1- A) 328.0 days B) 410.0.8

Q: Phosphorus-32 has a half-life of 14.3 days. What is the first-order rate constant for the decay of…

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

Q: Drug X has an expiration date that is 1.5 years after the date it was manufactured. Drug X…

A: Integral equation for first order of reaction:For first order reaction:…

Q: A radioisotope of iodine, 131I, is used to study thyroid function. A patient is given a sample that…

A: Since the decay process is first order  Hence we can say that  A = A0eKt  where A = final…

Q: 10. Consider the reaction: Co - Ni + °e -1 This reaction has a half-life of 5.271 ycars. Supposc a…

A: 2760Co →2860Ni + -10e Nuclear disintegration follows first order kinetics  λ=2.303 log(A0/A)/t…

Q: Carbon-14 has a half-life of 5720 years and this is a first order reaction. If a piece of wood has…

A:

Q: 4. (a) The radioactive isotope 32P has a half-life of 14.3 days. If a sample contains 0.884 g of…

A: Half life of P-32 isotope = 14.3 days = 1235520 sec 22 days = 1900800 seconds

Q: Carbon-14 has a half-life of 5720 years and this is a first-order reaction. If a piece of wood has…

A:

Q: A first order reaction has a rate constant of 1.833350 / minutes. What is the half life of the…

A: The half-life of the first-order reactions are independent of initial concentration of reactant.…

Q: Be sure to answer all parts. -3 -1 The rate constant of a reaction is 6.3 x 10s at 25°C, and the…

A:

Q: Tripling the concentration of a reactant increases the rate of a reaction nine times. With this…

A: Concept introduction: Rate of reaction: It is the change in concentration of any one of the reactant…

Q: A substance undergoes first-order decomposition. After 28 min at 500°C, only 12.5% of the original…

A:

Q: 13.31

A: Activation energy: Activation energy is the minimum amount of kinetic energy for an effective…

Q: Geologists can estimate the age of rocks by their uranium-238 (U-238) content. The uranium is…

A: From the first order reaction rate constant, the age of rock is calculated as,

Q: Part A Geologists can estimate the age of rocks by their uranium-238 content. The uranium is…

A:

Q: Uranium decays by first order kinetics. Given that the half-life of uranium is 4.47 billion years,…

A: Given,Order of uranium decay = 1st orderHalf-life of uranium (t1/2) = 4.47 billion yearsInitial mass…

Q: Question 19 of 25 What is the half-life for a particular reaction if the rate law is rate = (801 min…

A: Rate=(801min-1)(A)

Q: For a given reaction, it is determined that the rate constant at 428°C is measured at 2.57 1/(Ms)…

A: Interpretation: For a given reaction, the rate constant at 428°C is measured at 2.57 Ms-1 and the…

Q: A graph of 1/[A] versus time was prepared. The equation as a best straight line through these points…

A:

Q: A certain reaction has a rate given by -rA = 0.075CA 2 , mol/cm3 .min If the concentration is to be…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: What is the half-life of this element in days?

A: Given :- rate constant (k) = 5.29 × 10-3 day-1  To calculate :-  Half life Radioactive decay…

Q: The rate of reaction between hemoglobin (Hb) and carbon monoxide (CO) was studied at 20°C. The…

A: Solution The rate law or rate equation for a chemical process is associate equation that links the…

Q: Two part question. Thank you in advance!Radioactive materials are often used in biological studies.…

A: Part A:In the first part of question, we are asked to calculate rate constant in units of Days-1.…

Q: A first order decomposition reaction has a half-life of 60.1 yr. What percentage of the original…

A:

Q: The kinetics of decomposition of N 20 5 was studied by measuring the concentration of N 20 5 as a…

A: Plot of log of concentration vs time is linear. This suggests that reaction follows first order…

Q: A first order reaction initially contains 2.65 × 10²⁰ molecules. If the reaction has a half-life of…

A:

Q: What is the rate law for the reaction A → B if the rate constant, k, is 0.25 M-1 s-1 at 75°C?

A: Rate constant - The rate constant of a reaction is a proportionality constant which determines the…

Q: i What is the order of the reaction with respect to the concentration of M, N and P? ii Write the…

A: Solution :  Here order of the reaction with respect to each reactant is calculated by taking other…

Q: A reaction has a rate constant, k = 0.0379 M/min. What is the half-life (minutes) when the initial…

A: Rate constant, k = 0.0379 M/min.  Initial concentration = 1.38 M  Half life time (in minutes) = ?

Q: the half-life 4 frost Ordes reaction De termine a

A: Half life of a first order reaction: It is defined as the time taken to half concentration of the…

Q: If the initial concentration of nitrous acid is 1.00 M and, after 17.8 s has elapsed, the…

A: Initial concentration of nitrous acid = 1.00M  Time elapsed = 17.8 sec Concentration after this time…

Q: For a given reaction, the rate constant doubles when the temperature is increased from 37°C to 51°C.…

A: Initial temperature (T1) = 37°C   ....Or  because, k = 0°C + 273     so,  = 37°C + 273  = 310 k…

Q: Radioactive decay follows first-order kinetics. If sodium-24 has a half-life of 14.96 hours, what is…

A:

Q: in an experiment, a sample of 3 was 90% decomposed in 48 min. Approximately how long would this…

A:

Q: Sulfuryl chloride, sO2 Cl2, decomposes when heated. SO, Cl2 (g) → SO2(9) + Cl2 (9) In an experiment,…

A: For the first-order reaction, the following equation can be used to determine the concentration of…

Q: The rate constant for the decay of a radioactive element is 6.70 × 10⁻³ day⁻¹. What is the half-life…

A: Half life is the time taken for a radioac Radioactive decays are first order reaction.

Q: A first order reaction initially contains 4.65 × 10²⁰ molecules. If the reaction has a half-life of…

A:

Q: What is half-life period of a reaction?

A: A reaction consists of reactants and there is the formation of products.

Q: A particular reactant decomposes with a half-life of 123 s when its initial concentration is 0.380M.…

A: The given reaction’s half-life depends upon initial concentration. Hence, this reaction cannot be…

Q: Calculate the half life when the rate is 6.2x10^-4

A:

Q: An Arrhenius Plot gives a line with the equation y = -9020x + 32.24. At a temperature of 25 C, what…

A:

Q: The first-order rate constant for the decomposition of a certain drug is 0.215 /month a) if 10.0 g…

A: The question is based on the concept of chemical kinetics. we have to calculate amount of drug…

Q: The rate constant for the decay of a radioactive element is 6.37 × 10⁻³ day⁻¹. What is the half-life…

A:

Q: Consider the decomposition of hydrogen peroxide. The rate expression can be expressed as: 2H202 →…

A: Rate of reaction is defined as change in concentration over time.

Q: The first-order rate constant for the decomposition of a certain hormone in water at 25∘C is…

A:

Q: 5. What is the value for the rate constant,

A: Qn 4: K' / K'' = [ 1/0.5]^x       0.1583 / 0.08 = [1/0.5]^x                       1.98 = 2 ^x…

Q: The activation energy (E,) for a certain biological reaction is 62.1 kJ/mol. If the rate constant…

A:

Q: 22. The half life of a first order reaction is 1 year. What is the time taken for 75% of the…

A:

Q: Moving to another question will save this Question 20 A graph that displays a straight line when the…

A:

Q: 6. Decomposes a substance is reaction from the first order, if it takes 4 minutes to change its…

A: 6. Given that : Initial concentration of the substance = 0.705 M Final concentration of the…

Q: Question attached

A: The given data contains, t1/2= 9.8×103 days