Phosphorous-32 (O) decays by beta emission to form sulfur-32(0). How many half-lives have passed in the reaction shown? 000000 000000 B-decay 000000 000000 000000 000000 000000 O 2 O 3 4. O Need more information to determine

Q: 1. The gaseous reaction, A2 → 2A, is first order in A2. After 751 seconds. 64.7% of A2 remains…

A:

Q: 14) Dilute hydrogen peroxide in water, 3% (mass/mass), is sold over the counter to sterilize wounds.…

A: 14. Half-life of a reaction is the time in which half of the reaction completes. This means that the…

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 substance undergoes first-order decomposition. After 45 min at 500°C, only 12.5% of the original…

A: A substance undergoes first order reaction.  Time = 45 min  Temperature = 500 °C  Original sample…

Q: 1. Tritium decays by a first order process that has a half-life of 12.5 y.  How many years will it…

A:

Q: At 65 C the half life for the first order decomposition of N2O5 is 2.38 min. N205 yields 2NO2(g) +…

A: (A) Molar mass of N2O5 = 108 g/mol Moles of N2O5, n = 1.30g/(108gmol-1) = 0.01204 moles Volume, V =…

Q: 43.  Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected…

A: The half-life and the final concentration of a reaction is related as :

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

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

A: This question is based on first order kinetics. Formula used to calculate first order kinetics:…

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: Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart…

A: The half-life and the final concentration of a reaction is related as:

Q: ION 5 Phosphorous-32 () decays by beta emission to form sulfur-32(0). How many half-lives have…

A: Phosphorus-32 decays by beta emission to form sulfur-32. This is represented as follows: 48 -P ,…

Q: 1. Deoxyglucose labeled with 18F is commonly used in PET scan to locate tumors. The half-life of 18F…

A: In this question, we want to determine the time for the level of 18F in the body when it's drop from…

Q: Radioactive elements decay via first-order kinetics. Consider a certain type of nucleus that has a…

A: As radioactivity follows first order kinetics , so we can find time required in the first problem.

Q: The radioactive decay follows first-order rate law and for the radioisotope, Sr-90. its half-life…

A: Given: t12=28 years% of sample decompoed=87.5% To find Time for sample to decompose

Q: 140Ba decays via first-order kinetics (as do all radioactive isotopes) and has a half-life of 12.75…

A:

Q: In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) % H2(g) + ½ I2(g) the…

A: Given that : The decomposition of hydrogen iodide at 700 K is given below : HI(g)  →  12H2(g)  +…

Q: In a study of the gas phase decomposition of nitrogen dioxide at 383 °C NO2(9)NO(g) +½ O2(g) the…

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Q: The reaction A + 2B – 20 was studied and the following data were obtained: [A]o (mol/L) [B]o (mol/L)…

A: Answer is explained below.

Q: 13.31

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

Q: 1) The decomposition of N2O5 is an important process in the atmosphere. The half life is 2.05 x 10ʻ…

A: It is an example of first order kinetic reaction  Here we are required to find the time for a sample…

Q: Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart…

A: Radioactive decay follows the first-order kinetics. The decay constant (λ) and half-life of a…

Q: The radioisotope 32Pdecays by 1st-order kinetics and has a half-life of 14.3 days. How long does it…

A: The answer is given as follows

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: Iodine-131 is a radioactive isotope that is used to diagnose and treat some forms of thyroid cancer.…

A: The give radioactive decay is of first order with rate constant of 0.138 d-1 To find the time…

Q: 5 3 6 18 : 20 10: For the following reaction, use the plots below and the information on them to…

A: The explanation is given below-

Q: Nitrosyl bromide (NOBr) decomposes to nitrogen oxide and bromine. Given the data below: time(s) 6 12…

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Q: Tritium is radioactive and decays by first-order kinetics with a half-life of 12.5 yr. If an…

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

A:

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: What is the approximate half-life for each of the following three reactions? A1→ B1 Time, s [A], M…

A: The half life may be defined as the time required for the reactant to reach half of its original…

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: What is the approximate half-life for each of the following three reactions? A1 + BỊ Time, s [A], M…

A: For reaction a, plot ln [A] vs t is drawn below in accord with the given data. The half-life for…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Yes, The gases are being decomposed, so their partial pressure is decreasing. The partial pressure…

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

A:

Q: What is the half-life for the first-order decay of phosphorus-32? (P – decay is 4.85 x 10-2 day¬!.…

A: Given- Rate constant for the decay, k = 4.85 × 10-2 day-1Order of reaction = 1st order To find- The…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of the isotope is 2.7…

A:

Q: A certain signal molecule S in brain tissue is degraded by two different biochemical pathways: when…

A: Half life is the time taken for a radioactive material to decay to half of its initial size.

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

A:

Q: 2) Calculate the amount of product formed after 50 s given the reaction, 3 A 2 P, the initial…

A: The given reaction is  3A →2P Since no other information on reaction rate constant is given, hence…

Q: 146Pm decays via first-order kinetics (as do all radioactive isotopes) and has a half-life of 5.53…

A:

Q: 11.What is a reaction for which half-life would be applicable? a.14/6C→14/7N+0/−1e…

A: option a first option is the answer half life for radioactive C14 is applicable in this reaction…

Q: Two gases .I' and I are found in the atmosphere in only trace amounts because they decompose…

A: Solutions  A)  yes B)  4.7 hours

Q: 6)  The 87Rb/87Sr method of dating rocks is used in geology.    a) Provide the balance reaction…

A: β- decay : When a unstable radioactive nucleus emits beta particle or more specifically negatron (…

Q: In a study of the gas phase decomposition of phosphine at 120 °C PH3(g) 1/4 P4(9) + 3/2 H2(g) the…

A:

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: 37.  What is the half-life for the first-order decay of carbon-14? (614C⟶714N+e−) The rate constant…

A:

Q: The first order rate constant for the decomposition of N2Os to NO2 and 02 at 70 °C is 6.82 x 10 s.…

A:

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.