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: Find the number of carbon atoms in the sample. (b) Find the number of carbon-14 atoms in the sample.…

A:

Q: What is the rate constant if 40% of 0.25 M H2O2 is spent in 50 minutes from the second degree decay?

A:

Q: = 176.5 h) to decay. Use the Calculate the time required for 46.80 % of a sample of X (t, formula…

A: Given : Half life i.e t1/2 of reactant (radioactive isotope) = 176.5 hr. And percent of reactant…

Q: Polonium-209, an α� emitter, has a half-life of 102 years.How many α� particles are emitted in 2.0…

A: Mass = 1.8 ng Time = 2 s Half life = 102 years

Q: A certain rock contains 2.57 x 1017 atoms of 40k for every 7.71 x 1016 atoms of 40 Ar. Assuming that…

A: Answer:All the radioactive reactions are first order reactions. Therefore, integrated rate law for…

Q: What is rate constant 1

A: Given :- half life (t1/2) = 5730 years To calculate :- rate constant (in years-1)

Q: The half-life of a radioactive element in the first order reaction is 45 minutes .How long will it…

A:

Q: 1. The radioisotope A () spontaneously decays to form the radioisotope B (O), as shown below. t = 0…

A: For first box: No of A = 16  ;    No of B = 0 For Second box: No of A = 8   ;   No of B = 8 For…

Q: The rate constant for the decay of a radioactive isotope is 3.1x 103/day. What is the half-life of…

A: Given is a radioactive isotope with rate constant = 3.1×10–3/day . We need to find the half life of…

Q: Calculate the half-life of a radioisotope if it decays to 12.5% of its radioactivity in 12 years.

A:

Q: 3. The isotope 212Bi has a half-life of 1.01 yr. What mass, in mg, of a 2.00 mg sample will remain…

A: t(1/2) = 1.01 yrA0 = 2.00 mgt = 3.75*103 hr

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: Potassium 40 has a half-life of 1.28 × 10⁹ years. K-40 decays to only Ar-40 which is stable. No…

A: Answer:Here:

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 x 10 years. Suppose…

A: Given: The half-life of the radioactive decay of carbon-14 to nitrogen-14 = 5.73×103 years There is…

Q: The rate of 222Rn →218Po is k = 2.1*10-6 s-1. What is the lifetime of 222R? What is the half life?…

A: First order reaction.

Q: If the amount of radioactive sodium-24, used for studies of electrolytes within the body, in a…

A: Given information:Initial concentration = 1.6 mgFinal concentration = 0.2 mgTime = 45.0 hours

Q: The half-life of 32P is 14.3 days. You count a sample containing 32P and obtain 32,450 cpms. You add…

A: Radioactivity refers to spontaneous disintegration of a substance on itself. The radioactivity of a…

Q: 137 Cs has a half-life of 30.2 years. How many years will it take for a 100.0-g sample to decay to…

A: Data given,  Half-life period of 137Cs, t1/2 = 30.2 years Initial amount, No = 100.0 g Amount left,…

Q: Strantium 90 is a major component of the detonation of nuclear explosives, it is particularly…

A: Radioactive substances disintegrate in nature due to their instability. The disintegration process…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A: Calculation

Q: Radioisotope X has a half-life of 4.0 h. Based on the figure below, if the original sample of the…

A: Half life (t1/2) :-  The time required for the concentration of reactant to reduce to half of its…

Q: 8) The half-life for the (first order) radioactive decay of "C is 5730 years. An archaeological…

A: Answer: Data given- half-life for radioactive decay  of 14C is 5730 yrs. 70% of the 14C found in…

Q: Carbon-14 is used in radiocarbon dating. The half-life of carbon-14 is 5.73 x 10° years. How many…

A:

Q: What is the rate constant if 40% of the 0.6 M H2O2 is consumed in 50 minutes from the 1st degree…

A:

Q: 5) Consider the reaction shows below. A can decay to two products, labeled B and C. Both decay…

A: Answer: This question is based on parallel reaction where one compound is forming two products…

Q: How long does it take for 75% of the purple dye to decay? Rate = 1.7 x 10 ³s-¹ [purple dye] S t =…

A: Given, Rate = 1.7 × 10-3 s-1[purple dye] t = ? s Let initial concentration of purple dye = [purple…

Q: One of the challenges of nuclear technology is safe long-term storage of by-products and waste. How…

A: It is given that; Half -life = 2.4×10-4 years Initial amount of sample = 100 After time t sample…

Q: The half-life of Plutonium-241 is 9 years. How much of an initial 190 g sample will remain after 31…

A: The half-life of Plutonium-241, t1/2 = 9 years Initial mass of Plutonium-241, No = 190 g time…

Q: Determine the time required for a sample of cesium-137 to decay until only 1/8 of the original…

A:

Q: ) A human bone uncovered in a burial site in Majorca, Spain by a student working for the pollentia…

A: Given, Rate constant of decay of  of C-14, K=1.2094×10-4yr-1

Q: Molybdenum-99 decays to technetium-99. Technetium-99 is also radioactive but has a long half life…

A: The time elapsed (t) = 2 hours The half-life of technetium-99 (T) = 6 hours

Q: Question17 1) Using the following data determine the order, specific rate constant, half-life, and…

A: The given date is:

Q: The half-life for the first order radioactive decay of 14C is 5730 years. An archeological sample…

A: The breaking down of atomic nuclei releases the energy and matter from nuclei. This process is named…

Q: Uranium-238 forms thorium-234 after radioactive decay and has a half-life of 4.5 x 10^9 years. How…

A:

Q: A sample initially contains 300 µg of 32Si (31.97415 amu), which decays with a half-life of 160…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: The half-life for Americium-241 is ______432 years__________. ? A smoke detector requires about 0.3…

A: As per guidelines we are allowed to answer one question but first question answer is very small , so…

Q: ntage of: be expe

A: Given: The half life of 14 C is given as 5730 years.

Q: What is the half-life (in y) of a radioisotope if it decays to 25% of its radioactivity in 13.5…

A: The formula for radioactive decay constant of a radioactive reaction is as follows :- k = 2.303t log…

Q: Strontium-90 is one of the radioisotopes released in the Chernobyl nuclear plant accident. The…

A:

Q: Two lakes are connected to each other as shown in the figure below. Each lake has a volume of 106 m³…

A: (i) To determine the steady-state concentrations in the effluent from the lakes, we'll need to set…

Q: The rate constant for the decay of a radioactive element is 5.96 × 103 day1. What is the half-life…

A:

Q: the half-life of fluorine 18 is 109.77 minutes how long will it take for a 6.250 % of the original…

A: The objective of this question is to determine the time it will take for only 6.250% of the original…

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.