A rock is found to contain 2.2 grams of uranium-235, a radioactive isotope. If the rock has undergone 2.75 half-lives, what was the original amount of uranium-235 in the rock and how old is the rock
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A rock is found to contain 2.2 grams of uranium-235, a radioactive isotope. If the rock has undergone 2.75 half-lives, what was the ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
What is chemical change
Answers (1)
How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 0.98 atm and a temperature of 373 K? Round to the nearest hundredths place.
Answers (1)
Storms in the South Pacific can create waves that travel all the way to the California coast, which are 12,000 km away. How long does it take them if they travel at 15.0 m/s?
Answers (1)
Which balanced equation represents a redox reaction? (1) CuCO3 (s) = = > CuO (s) + CO2 (g) (2) 2KClO3 (s) = = >2KCl (s) + 3O2 (g) (3) AgNO3 (aq) + KCl (aq) = = >AgCl (s) + KNO3 (aq) (4) H2SO4 (aq) + 2KOH (aq) = = > K2SO4 (aq) + 2H2O (l)
Answers (1)
Write the complete symbol, including mass number and atomic number, for each atom. contains 28 protons and 30 neutrons : a. ^{58}_{28}Ni5828Ni contains 22 protons and 21 neutrons : b. ^{43}_{22}Ti4322Ti contains 15 electrons and 19 neutrons c.
Answers (1)
New Questions in Chemistry
Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles
Answers (1)
What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a
Answers (1)
Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?
Answers (1)
How is the amount of sunlight affect the makeup of an ecosystem
Answers (1)
How many moles are in 65 g of carbon dioxide (CO2) ?
Answers (2)