(c) A new radioactive element, Fitzgeraldium, is discovered. After 2 days, 80% of a sample of Fitzgeraldium decays. Find and simplify an expression for the half-life of Fitzgeraldium.

Q: Suppose that X is being consumed at a rate of 1.450 M/s . What is the rate of formation of Z?

A: Given- -∆[X]/∆t=1.450M/s Rate of formation of Z=?

Q: How many half-lives are required for the concentration of reactant to decrease to 1.56% of its…

A: Given data ;  Concentration is decreased to 1.56 %. It means that 0.0156 of [A0] is decomposed.…

Q: 3) sah

A: This is the Nucleophilic substitution reaction .

Q: The Hydrogen isotope, tritium, is radioactive and has a half-life of 12.5 years. What percentage of…

A:

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

A:

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

A:

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

A:

Q: The half-life for the radioactive decay of C-14 is 5730 years and is independent of the initial…

A: Rate constant is calculated using given half-life value:

Q: In the nuclear industry, chlorune triflouride is used to prepare uranum hexaflouride, a volatle…

A:

Q: The half-life for the radioactive decay of C-14 is 5730 years and is independent of initial…

A:

Q: Assume you have such a watch. If a minimum of 18.0% of the original tritium is needed to read the…

A: Given: Decay follows first order kinetics. We know that, Half-life of tritium = 12.5 years Let,…

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: Deduce the rate law for the reaction in two ways by (i) assuming a pre equilibrium and (ii) making…

A:

Q: sucrose undergoes fermentation. If 10 M solution of sucrose is reduced to 5 M in 1 hours and to 2.5…

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: Manfred Eigen, a German physical chemist working dur- ing the 1970s and 1980s, earned a Nobel Prize…

A: Given - Rate of proton transfer from water molecule to ammonia = 2 x 105 S-1 Equilibrium constant Kb…

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

A:

Q: Why did you do initial - final temperature instead of final temp - initial temp?

A: Thermodynamics is the field of material science worried about temperature, heat and, eventually,…

Q: Iodine-131 is used to treat tumors in the thyroid. Its first order half life is 8.1 days. If a…

A: Decay of I-131follow 1st order kinetics λ (decay constant) = 0.693/t1/2 = 0.693 / 8.1 days = 8.56…

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: At 400 K, the half-life for the decomposition of a sample of a gaseous compound initially at a…

A: Given: Decomposition of a gaseous sample.

Q: he age of wine can be determined by measuring the trace amount of radioactive tritium, H, present in…

A:

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: Given the following data, determine the order of the reaction with respect to Cl,.

A: Let us consider  Rate = K[NO]m[Cl2]n Here ,m is order with respect to NO      And n is the order…

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: The age of wine can be determined by measuring the trace amount of radioactive tritium, ®H, present…

A: Answer: Since, radioactive reactions are first order reactions therefore, this question will be…

Q: Mekdon-540 is a new radioactive substance discovered by scientists. They would like to find the rate…

A:

Q: The half-life for the radioactive decay of C-14 is 5730 years and is independent of the initial…

A: According to the given information, the half-life is independent of the initial concentration and…

Q: What is the half-life (in y) for the first-order decay of argon-39? 3918Ar → 3919K + e− The rate…

A:

Q: Since radioactive decay is a first-order process, the decay rate for a particular nuclide is…

A: Molar mass of KCl = 74.55 g /mole Mass of KCl = 1 g Moles of KCl = MassMolar mass=1 g74.55…

Q: Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14…

A: Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14…

Q: The decomposition of N2O2 is an important process in tropospheric chemistry. The half-life for is…

A: When a reaction follows first order rate law, integrated  rate equation is Nt=Noe0.693×tt12whereNt =…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

A:

Q: 5. The half-life of 4Po is 0.16 s. How long would it take to reduce a sample of it to the negligible…

A: In a chemical reaction, the half-life (t 1/2) of a species is the time it takes for the…

Q: What is the half-life for the reaction at 620 K ? Express your answer to two significant figures and…

A: To calculate value of half life , we first need to find value of rate constant at given temperature.…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

A: Radioactive gold-198 is used in the diagnosis of liver problems. t1/2 = 2.7 days m0 = 5.6 mg How…

Q: The half-life for the radioactive decay of C-14C-14 is 5730 years. If a sample of C-14C-14…

A: For a radioactive decay rate constant K and half life t12 have the following relation. t12=0.693K…

Q: The first step in the production of nitric acid is the combustion of ammonia:…

A: Rate of consumption of reactant is relate by rate of formation of product using Stoichiometric…

Q: The radioactive isotope carbon-14 is present in small quantities in all life forms, and it is…

A: Upon solving the differential equation, C(t)=Ie-kt Where C(t) is concentration at time t, k is rate…

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: The isotope strontium-90 is one of the extremely hazardous species in the residues from nuclear…

A: First order reaction- the reaction whose rate is depends on only single reaction whose concentration…

Q: The activation energy of a certain uncatalyzed biochemical reaction is 50.0 kJ/mol. Inthe presence…

A:

Q: The half-life period of two samples are 0.1 and 0.4 seconds. Their initialConcentrations are 200 and…

A: The amount of time required by a sample to reduce its initial concentration by half is termed as…

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

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

Q: Consider the reaction 2A + B _______> ProductsWhen concentration of B alone was doubled, half…

A: Given: 2A+ B → P When the conc. of only B was doubled for the reaction and there was no change…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.