In a first order reaction [A] obtains a value of 57% of [A]0 at a time of 1.35 x 10^2 seconds. calculate the half-life t 1/2

Q: For the following first order reaction, the rate constant is 0.128 and the [A]0 = 8.44.  Calculate…

A:

Q: The radioactive element, thallium – 201, is used medicinally as a radiotracer to study damage in…

A:

Q: For a first-order reaction, if 22.5% of the sample has decomposed after 25.0 s, what is the…

A: Given : 22.5 % decomposition after 25.0 s.We need to calculate the half life of the first order…

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

A:

Q: A 0th order chemical reaction was determined to have a reaction constant k = 0.00123 M/s.  If the…

A:

Q: A nuclear stress test utilizes a gamma-emitting radioisotope such as thallium-201 to follow the flow…

A:

Q: A certain first-order reaction has a half-life of 60.0 minutes. How much time is required for this…

A:

Q: Consider the reaction of InCl (s) in nitric acid (HNO3), which follows first order kinetics and has…

A: Interpretation -  To determine the mass of In (s) is formed after 1.25 hour when reaction of InCl(s)…

Q: What is the half-life for the first-order decay of carbon-14? (C→N+e) The rate constant for the…

A:

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

A: Given : Order: First order Half life=5730 yr Amount present=27.8% To find: Age of tool Solution:…

Q: From the given data, use a graphical method to determine the order and rate constant of the…

A:

Q: A reaction is first order in A. If the rate constant of the reaction is 6.00 x 10-3 s-1, what is the…

A:

Q: A particular reaction is found to be second order. The reactant has an initial concentration of 4.46…

A: Here, t1/2 = Half life period = ? k = rate constant of the Reaction = 0.00870 M-1 s-1 [A]0 = initial…

Q: The half life for a first order reaction is 45 min. What is the rate constant in units of s? Multple…

A: Note : Half life (t 1/2) = 0.693 / K . See below.

Q: 2)The reaction A(aq) ---> B(aq) + C(aq) is a reaction of order one. The half-life of A(aq) is 91.7 s…

A:

Q: 15 16 17 18 19 20 21 22 23 24 25 26 -4 -1 At a certain temperature this reaction follows first-order…

A:

Q: What is the half life (t1/2), in units of seconds,  for a first order reaction that has a k value of…

A: In the first-order reaction, the half-life will not be influenced by the concentration of the…

Q: The following chemical reaction: A → products shows first order kinetics with respect to A; rate =…

A:

Q: For the following second order reaction, the rate constant is 0.242 and the [A]0 = 5.88.  Calculate…

A:

Q: A particular reaction is found to be zero order. The reactant has an initial concentration of 3.63 M…

A: The given data contains, A0 =3.04 MK =0.00480 M/s t = 63.3 seconds.

Q: Be sure to answer all parts. Archaeologists can determine the age of artifacts made of wood or bone…

A: The rate constant (k) of the given first-order process is calculated using equation (1) in which…

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

A: The objective of this question is to determine the age of a wooden tool based on the amount of C-14…

Q: of

A: Using first order integrated equation,  k • t = 2.303 • log( [A]o / [A] )  k • 1.35 • 10^2 s = 2.303…

Q: In the presence of excess thiocyanate ion, SCN-1, the following reaction is first-order in…

A: Given- Rate constant K = 2.8 x 10-6 /s Reaction is first order To find- Half life of reaction-…

Q: A reaction is observed to have a rate constant of 35 min¹. Calculate the corresponding half-life for…

A: Given, rate constant (k) = 35 min-1 As the unit of rate constant is time-1,it is a first order…

Q: The reaction A → B + C is first order with respect to A. When [A]0 = 0.194 M, the reaction is 46.5 %…

A: Concept:  Knowing the rate constant can help us to calculate the half life. First order reaction…

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

A:

Q: The reaction A(aq) ---> B(aq) is a reaction of order one with respect to A(aq). The concentration of…

A:

Q: The estimated half life for P—O bonds Is 1.3 x 10^5 a ( 1 a is the SI unit 1 annum for 1 year).…

A: Given: half-life for P—O bonds is 1.3 × 105 year The question is how long would a single strand of…

Q: For the following second order reaction, the half-life is 39.8 and the [A]0 = 9.75.  Calculate the…

A: The given chemical reaction is 2 A  →  3 BThe half-life of the second order reaction is t1/2 = 39.8…

Q: The reaction A(aq) ---> B(aq) + C(aq) is a first order reaction. The half-life of A(aq) is 93.4 s at…

A: Given reaction is,             A(aq) → B(aq) + C(aq) The half-life of  A(aq) t121=93.4 s  at…

Q: A first-order reaction has a rate constant of 4.38 × 10^-4 s-1 at a certain temperature. Calculate…

A: Given values are,  Order of reaction = 1st Rate of reaction = 4.38×10-4 s-1 Halflife=?

Q: For the first order reaction, the initial concentration of A= .4 M. What is the half life of the…

A: when the rate of the reaction depends only on the concentration of the reactant and its power is one…

Q: The half-life of a radioactive plutonium-246 was found to be 215 years. If its initial concentration…

A: we know       K = 0.693T12   Where, K =decay constant , T12 = Half Life Given…

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

A:

Q: A certain second-order reaction (B>products) has a rate constant of 1.85x10-° M.s'at 27 °C and an…

A:

Q: Consider a first order reaction AB → A + B If the reaction is 34% complete at the end of 39 s, what…

A: