if a 0.192 g sample of copper metal reacts with elemental sulfur to form 0.240 g of the sulfide product, (a) find the percent by mass of copper and sulfur in the product and (b) find the empirical formula of the copper sulfide. PLEASE show your work

Q: The half-life of strontium-90 is 28 years. How long will it take a 56 mg sample to decay to a mass…

A:

Q: A radioactive material decays at a rate proportional to its amount. If the material has a life of 30…

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Q: An element with mass 730 grams decays by 27.6% per minute. How much of the element is remaining…

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Q: The radioactive isotope Carbon-14 has a half-life of 5,730 years. Given 300 grams of C-14, what is…

A: topic - exponential function

Q: An element with mass 730 grams decays by 28.8% per minute. How much of the element is remaining…

A: There is an exponential decay with rate of 28.8%.

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A: I have appended the formula used in the solution part.

Q: If a sample of a certain solution is determined to have a H30*| concentration of 9.87 x 10-…

A: NOTE: Refresh your page if you can't see any equations. . here the given concentration is

Q: The half-life of a radloactive Isotope Is the time It takes for a quantity of the isotope to be…

A:

Q: An element with mass 970 grams decays by 27.7% per minute. How much of the element is remaining…

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Q: If 25.0 mL of a 4.20 M HCI solution is diluted to 2.00 L, what is the molarity of the new solution?

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Q: Element X is a radioactive isotope such that every 7o years, its mass decreases by half. Given that…

A: Solution : Given that element X is a radioactive isotope such that every 70 years, its mass…

Q: Find out the lycopene concentration in tomatoes after 4 months of storage at 15°C.

A: 4 months = 16 weeks to find lycopene concentration in tomatoes we need to find the regression line y…

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A: We have to determine the relationship between the intensities of the two earthquakes .

Q: A tank contains 400 liters of brine. Twelve (12) liters of brine, each containing 2.5 N of dissolved…

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Q: What costs $60 million per gram and can beused to treat brain cancer, analyze coal for its sulfur…

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Q: The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced…

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Q: Element X is a radioactive isotope such that every 70 years, its mass decreases by half. Given that…

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Q: Element X is a radioactive isotope such that every 16 years, its mass decreases by half. Given that…

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Q: An element with mass 490 grams decays by 28.6% per minute. How much of the element is remaining…

A: There is a decay of element at the rate of 28.6% per minute. Initially the mass of element given is…

Q: Of an initial amount of 4000 g of lead-210, how much will remain in 190 years? Lead-210 decays at a…

A: Here initial amount A0=4000g Decaying rate λ= 3.15% = 0.0315 Let amount remains in 190 years= A(t)

Q: The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced…

A: To find the initial mass of the sample and mass after 7 weeks after the start.

Q: If18 g of a radioactive substance are present initially and 4yr later only 9g​remain, how much of…

A:

Q: An

A: Given,element with mass = 510 gramsdecay rate = 26.3% per minuteour aim is to find how much of the…

Q: 1. The rate of decay of radium is said to be proportional to the amount of radium present. If the…

A: Since you posted two questions here, i can answer only first one at a time. Please repost other…

Q: Strontium-90 is a radioactive isotope with a half-life of 29 years. Strontium-90 is a major…

A: The half-life , T12 , is calculated using the formula, T12=ln 2λ , where, λ is the decay constant.…

Q: What mass of glucose would you need (in g) to have 0.8 mol, given that the molar mass of glucose is…

A: Number of moles = Mass in gram / Molar mass Given Number of moles = 0.8 mol Molar mass = 180 g / mol…

Q: If 14 g of a radioactive substance are present initially and 8 yr later only 7 g​ remain, how much…

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Q: An element with mass 640 grams decays by 7:3% per minute. How much of the element is remaining after…

A: Given intial mass =640 gmsRate of decay=7.3% per miniutetime =8 minute

Q: A certain radio isotope has a half-life of 12 years. Find the mass that remains from a 220mg sample…

A: Half life = 12 yrs 220 mg is the initial mass Therefore decay constant = ln2 / half- life

Q: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduce to…

A: To find the mass.

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A: Given   mass = 310 gm  Rate = 8.9 %  Time = 19 min

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Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

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Q: 1. A certain radioactive material is known to decay at a rate proportional to the amount present.…

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Q: If 12 g of a radioactive substance are present initially and 8 yr later only 6 g​ remain, how much…

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Q: If 16 g of a radioactive substance are present initially and 9 yr later only 8 g​ remain, how much…

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Q: An element with mass 430 grams decays by 27.4% per minute. How much of the element is remaining…

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Q: half-life of Palladium-100 is 4 days

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Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

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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.