If you start with 7,152 grams of a radioactive kind of lanthanum and the half-life is 93 minutes, how much  will be left after 186 minutes

Q: The half-life of a radioactive substance is 15 days. If we started with 20 g, how much of the…

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Q: The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain…

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Q: Thorium-228 is a radioactive substance that decays 50% every 1.9 years. How much of a 50 gram sample…

A: Given query is to find the amount remaining after 22.8 years.

Q: The half-life of Radium-226 is 1760 years. If a sample contains 400 mg, how many mg will remain…

A: Half life of Radium-226 1760 years Initial value- a∘=400mg Given time=2000 years n=20001760…

Q: The radioactive substance neptunium-139 decays to 73.64% of its original amount after 24 hours. How…

A: Given that, in 24 hours, 73.64% of its original amount decays. So, in 24 years, 100-73.64=26.36% of…

Q: Find the time (to the nearest year) for 100g of krypton to decay to 50g of krypton if r = -0.0635.…

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Q: During a preliminary survey of an asteroid, chemical analysis indicated that a certain radioactive…

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Q: We have 15 grams of a new type of liquid metal compound. The compound has a half life of 16 hours.…

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Q: The half-life of the drug Morphine in the blood is 120 minutes. If 75 mL are given to a patient at…

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Q: The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain…

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Q: The half-life of Strontium-90 is 28.79 years. If a sample contains 490 mg, how many mg will remain…

A: Given half life is 28.79 years Initial mass =490mg To calculate mass after 180 years.

Q: If 150 mL is removed from a bag which contains 500 mL of glucose 5% and replaced with 150 mL of…

A: Step 1: Calculate the amount of glucose in the initial solution.The initial solution has a volume of…

Q: A certain drug breaks down in the body at a rate of 18% per hour. If an initial dosage is 500…

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Q: the half-life of a drug in the bloodstream is 18h. what fraction of the original drug dose remains…

A: Given the half-life of a drug in the bloodstream is 18h. what fraction of the original drug dose…

Q: A bunch of hooligans dump 164 pounds of  pizza boxes into a lake. If the pizza boxes dissipates at a…

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Q: Heavy equipment loses 1/5 of its value each year. 1. how much is a earthmover worth after 1 year if…

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.