Assume you have such a watch. If a minimum of 18.0% of the original tritium is needed to read the dial in dark places, for how many years could you read the time at night?  Assume first-order kinetics.

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: The average rate of disappearance of PH3 (g) was 0.36 M/s over a given time interval. What is the…

A: Given   The rate of disappearance of PH3 is 0.36 M/s.

Q: Consider a radio active material with a half-life time of 30 years following first order reaction.…

A:

Q: What is the half-life when the initial concentration is 0.58 M ? Express your answer using two…

A: The graph between the 1/[AB] vs time is a straight line, confirms that the reaction is a…

Q: 2. Iron-59 in the form of iron (II) citrate is used in iron metabolism studies. Its half-life is…

A:

Q: via

A: Intermidiate : when species is on Product side and appear in reactant side in second step then this…

Q: What percentage of the radioactive iodine-131 will be left after 25 days if its decomposition…

A: In first-order kinetics, the rate of reactions of chemical reactions are dependent on one of the…

Q: Consider the following balanced chemical equation. 2 Al + 6 HCI 2 AICI, + 3 H, > How is the rate of…

A: The rate of a reaction is the concentration of reactant disappeared with respect to time or the…

Q: The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year 1. What…

A: First order reaction is defined as the chemical reactions whose rate only depends on the reactant…

Q: CALCULATE OF REACTION RATE FOR THE GIVEN CHEMICAL EQUATION. IF THE RATE OF APPEARANCE OF WATER IS…

A:

Q: Consider 250g of iodine which decomposes at a rate proportional to the amount present. Around 150g…

A:

Q: It has been suggested that strontium-90 (generated by nuclear testing) deposited in the hot desert…

A: The kinetic energy possessed in the molecules is useful in breaking bonds due to the molecular…

Q: From a kinetics standpoint, the radioactive decay of radium is a Select one: a. third order b. first…

A: From a kinetics standpoint, the radioactive decay of radium is a -

Q: What percentage of reactant will remains after 120 s if the half-life is 60 s?

A: r the given reaction,Half life = 60 sec% of reactant remaining after 120 sec has to…

Q: At t = 0s, you have a pure sample of an unknown substance. At t = 28 s, 36.8% of the substance…

A:

Q: The average rate of disappearance of ozone in the following reaction is found to be 7.01 × 10–3…

A: Given rate of disappearance of ozone is 7.01 × 10–3 atm/s.

Q: How are the rate constant and the half-life related?

A: The rate constant and the half-life of various order reactions are, In the above equations, rate…

Q: 57. The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of…

A: Radio-active decay follows first order kinetics. The integrated rate equation for the first order…

Q: 3 O2 (g) → 2 O3 (g) If the rate of depletion of O3 is 2.17×10−5 mol L−1 sec−1, the rate of…

A:

Q: he half-life for the radioactive decay of C-14C-14 is 5730 years. a) How long will it take for 25 %…

A: Radioactive decay is a spontaneous break down of an atomic nucleus, it follows first order kinetics…

Q: Assume you have such a watch. If a minimum of 14.0% of the original tritium is needed to read the…

A: Since the half-life of tritium (3H) = 12.3 years. Therefore, the amount of the radioactive substance…

Q: Consider the following balanced chemical equation. 50, +4 NH, 6H,0 + 4NO A (NO] How is the rate of…

A: Reactions in terms of the change in reactant or product concentrations over the change in time. The…

Q: "hat percentage of a material will persist after 60 minutes if it's half-life is 30 minutes? dium 24…

A: Given half life = 30 min  We have to find amount of substance left after 60 min

Q: Step 1: (slow) Step 2: (fast) O = CI = 0 The particle models shown above represent a proposed…

A: When chlorofluorocarbons, CFCl3 released in atmosphere, it will depleted the ozone layer , O3 in…

Q: calculate the length of the next half-life.

A:

Q: How many half-lives will it take for the concentration of the N20 to reach 50.00 % of its original…

A: decomposition of N2O is first order reaction  for first order reaction , we can write  N = N0 / 2n…

Q: Two radioactive nuclides decay by successive first-order +Y330d, Z. The times are half-lives…

A: X→K122.5Y→K233ZFrom the foemula of half…

Q: If the decomposition of reactant A follows first-order kinetics, what concentration of A remains if…

A: Data given: Initial concentration of A, [A]0 = 0.273 M Elapsed time, t = 1.61 hr = 96.6 min (1 h =…

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: (f) In the decomposition of N2O5 to NO2 and oxygen N2O5 2 NO2 + 1/2O2 1 the rate of disappearance of…

A:

Q: In the reaction given balanced equation: 2RO -> 3N + 5V and the following data: What is the average…

A:

Q: If the concentration of a product increases from 0.420 mol/L to 0.780 mol/L over a period of 1 hour…

A: Average rate = Change in concentration of the reactantchange in time  For a reaction,A →productsIt…

Q: gas, AB, decomposes and the volume of B2 produced is measured as a function of time. The data…

A: Solution - According to the question - Given -

Q: The half-life of the radioactive isotope Carbon-14 is about 5730 years. O Part (a) - Find N In terms…

A:

Q: Give the half-life equation for a reactant with the following characteristics: a. Zero Order:…

A: Defination: the time required to consume half of the initial concentration of reactant is called…

Q: 13. The process of converting para hydrogen to orth hydrogen was studied at a temperature of 650 °C,…

A: Order of a reaction can be expressed as the relation of the rate at which the chemical reaction…

Q: A barytes composed of 100 percent BaSO4 is fused with carbon in the form of coke containing 6…

A:

Q: The rate of radioactive decay follows first order kinetics. Uranium-238 decays very slowly with a…

A: Given,  Half-life period (t1/2) = 4.47 billion years  Time period = t = 13.4 billion years What is…

Q: Given the following balanced equation, determine the rate of reaction with respect to [O,). If the…

A:

Q: If there are 8.00 g of a reactant at the beginning of a reaction, what fraction remains after 3 half…

A:

Q: If the half life of hydrogen peroxide is 949 sec and you started with 3M H2O2, how much hydrogen…

A: The decomposition of H2O2 in aqueous solution follows first order reaction kinetics. When rate of a…

Q: What is the half-life of the reaction? Reaction: A Product (A) 600.0 sec (B) 264.3 sec (C) 425.2 sec…

A: Hi, since you have posted multiple questions, we will answer the very first question for you. Kindly…

Q: der reaction is 45% complete at the end of 76 minutes. What is the length of the half-life of this…

A: Given -> Time(t) = 76 minutes -> first order reaction complete 45% .

Q: 6. Radium decomposes in air at the rate proportional to the amount present. It is found out that in…

A: Given: Radium decomposes in air at the rate proportional to the amount present (it means its…

Q: What percentage of the radioactive iodine-131 will be left after 25 days if its decomposition…

A:

Q: Suppose you start a chemical reaction with 23 moles of hydrogen peroxide, and that after 5 minutes…

A: