Sodium-24 has a half-life of 14.8 hours. How much of a 595.7 mg sodium-24 sample will remain after 3.7 days? mg mass remaining:

Q: Sodium-24 has a half-life of 14.8 hours. How much of a 587.7 mg sodium-24 sample will remain after…

A: All radioactive decay processes follow first order kinetics.

Q: the half life of oxygen-15 is 2 minutes. what fraction of a sample of O-15 will remain after 5…

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Q: Sodium-24 has a half-life of 14.8 hours. How much of a 553.8 mg553.8 mg sodium-24 sample will remain…

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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…

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Q: . Barium – 122 has a half-life of 2 minutes. Suppose you obtain a sample weighing 10.0 g and it…

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Q: 4. Iron-59, which is used to diagnose anemia, has a half-life of 45 days. What fraction of it is…

A: we know that,→ Radioactivity phenomena follow first owen                            knnetics.so,…

Q: 21. Barium – 122 has a half-life of 2 minutes. Suppose you obtain a sample weighing 10.0 g and it…

A: 21. Given that: Half life of Barium-122 = 2 mins. Time taken for the set up = 10 mins

Q: Calculate the mass of sodium-24 that will remain in a 20.0 g sample after 75 hours. Sodium has a…

A: Chemical kinetics is branch of chemistry in which we deal with the speed at which rate of reaction…

Q: Barium -122 has a half life of 2 minutes. Suppose you obtain a sample weighing 10.0g and it takes 10…

A: Since the decay reactions are first order reactions. Hence the half life of reaction will remain…

Q: Gallium-67 is used medically in tumor- seeking agents. The half-life of gallium- 67 is 78.2 hours.…

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Q: The half-life of 129I is 1.72 x 107 years. Consider a sample that contains 2.39 x 106 atoms of this…

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Q: Gold-198 has a half-life of 2.7 days. How much of a 488.6 mg gold-198 sample will remain after 13.5…

A: We have half life as 2.7 days, we have initial amount as 488.6 mg, we have to calculate the sample…

Q: The isotope Bismuth-212 has a half life of 368.65 day. What mass in mg of a 2 mg sample will remain…

A: Half life of Bismuth, t1/2 = 368.65 days. Bismuth-212 is a radioactive element. Thus, it will follow…

Q: The half life of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain…

A: given :-  initial amount of sample = 500 mg  half life = 1590 years  To calculate :-  amount of…

Q: 1. Iron-59, which is used to diagnose anemia, has a half-life of 45 days. What fraction of it is…

A: As in the question, it is given that Iron-59 is used to diagnose anaemia and has a half-life of 45…

Q: Gold-198 has a half-life of 2.7 days. How much of a 344.7 mg gold-198 sample will remain after 13.5…

A: Given data: Half-life of Gold-198 (t1/2)= 2.7days Initial amount of Gold-198(A∘) = 344.7 mg Time for…

Q: Iodine-131 has a half-life of 8 days and undergoes beta decay. If a milk sample contains 3 × 1018…

A: Quantity of radioactive substance after time "t" is can be calculated by the following formula…

Q: I-131 has a half-life of 8.04 days. If a sample initially contains 20.0 g of I-131, approximately…

A: Interpretation -  To determine the amount of I-131 after 32 days when I-131 initially contains 20g…

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. If…

A:

Q: Iodine-131 has a half-life of 8.04 days. If you begin with 2.7 mg of radioactive "I what mass…

A: Half-Life: The half-life of a radio active material will tell us the time it takes for one-half of…

Q: 43. C-14 has a half-life of 5730 years. How many grams of a 4.00 g sample would be left after 3.5…

A: C-14 has a half life of 5730 years. This indicates if x grams of C-14 is available initially then…

Q: Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 gg of 32P32P, how many grams will…

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Q: Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32P, how many grams will remain…

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Q: A radioactive substance has a ​half-life of 437 years. What is its decay​ rate?

A: Radioactive Decay: Radioactive decay is the property of the several naturally occurring elements as…

Q: Radium-226 is radioactive and has a half life of 1600. years. How long would it take a sample to…

A: The emission of energy in the form of the ionizing radiation is called radio decay.This radiation…

Q: The half-life of Radium-226 is 8 years. How much of an initial 171 g sample will remain after 43…

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Q: Gold-198 has a half-life of 2.7 days. How much of a 275.1 mg275.1 mg gold-198 sample will remain…

A: All radioactive disintegration follows 1st orderkinetics.For 1st order reactionK=1t in AoAtK=Rate…

Q: 1. If gallium - 68 has a half-life of 68.3 minutes, how much of a 160.0 mg sample is left after 1…

A: One half life is that time in which half of the radioactive substance gets decayed.

Q: Lead-204 has a half-life of 15 minutes. Suppose there are initially 100 Pb-204 atoms. After 30…

A: The time in which half of the initial amount of the reactants convert into the product known as half…

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A: Given Half life of Radon -222 ( t1/2 )  = 3.82 days  Initial amount of isotope ( A0 )= 33.5 mg  Time…

Q: Sodium-24 has a half-life of 14.8 hours. How much of a 990.5 mg sodium-24 sample will remain after…

A: Half life can be defined as the time required for the quantity to reduce to half of its initial…

Q: The half life of 123I is 13 hr.  How much of a 64 mg sample of 123I is left after 26 hours?

A: Given,Half life of 123I is 13 hr

Q: 145 g sample of radioactive has a half live of 6.4 days how many g of material is left are 2 half…

A: The time required to disintegrate the molecule to half of its initial concentration is called the…

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. If…

A: Gallium - 67 has a half-life of 78.2 hours. Initially 36.7 mg of Gallium - 67 were present.   Here,…

Q: The half-life of Radium-226 is 13 years. How much of an initial 179 g sample will remain after 36…

A: Radio active reactions are first order reactions. Decay constant (k) = 0.693 / t1/2 Where, t1/2 =…

Q: A radioactive sample contains 2.45g. How much willl remain after 11.4 days? (Half life is 3.8 days)

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Q: The first order decay of radon has a half life of 3.823 days. How many grams of radon remain after…

A: The time at which first order decay of radon takes place is 3.823 days.   The initial weight of…

Q: Barium -122 has a half-life of 2 minutes.  Suppose you obtain a sample weighing 10.0g and it takes…

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Q: Nitrogen -13 has a half-life of 10 minutes .What amount of a 16 mg sample would remain after 30…

A: Nitrogen-13 has a half-life of 10 minutes. How much of a 16 mg sample would remain after 30 minutes.…

Q: Plutonium-239 has a half life of 2.41x10* yr. If you have a 10.0 mg sample how much will remain…

A: The time where any substance/element gets remained just half of its actual quantity is considered as…

Q: A sample of radioactive radon-222 was found to have a half-life of 3.823 days. What fraction of the…

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Q: Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.0…

A: Formula: Since Iodine is a radioactive substance, it follows the 1st order rate law. The half-life…

Q: The half-life of radon-222 is 3.8 days. How much of a 100 gram sample is left after 15.2 days?

A: Half life is the time taken by the original compound to reduce to it's half.

Q: A radioactive iodine sample has a half life of 6 days. If the original sample is 24 grams, how much…

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Q: Cobalt-58 which is radioactive, has a half-life of 71 days. How

A: Radioactivity follows first order kinetics Hence decay constant (K) and t1/2 (half life ) related as…

Q: Cobalt-60 is used extensively in medicine as a source of g-rays. Its half-life is 5.27 years. What…

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Q: 5. Strontium-90 has a half life of 28.8 years. If you start with a 10 gram sample of Strontium-90,…

A: We have to predict the amount after 115.2 years.

Q: Thorium-227 has a half-life of approximately 19 days. What percentage of an original amount of…

A:

Q: One of the radioactive isotopes used in chemical and medical research is iodine- 125, which has a…

A: Given -  Half life of iodine = 61 days  Initial concentration of iodine (No) - 1 g After time t…