When a certain rock formed, it contained 12 mg 40k. the rock now contains 3 mg 40k. the half-life of 40k is 1.3 billion years. how old is the rock? your answer is in billions of years and should be a number only and include the tenth decimal place (e. g., 23.8 not 23.81 or 23?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “When a certain rock formed, it contained 12 mg 40k. the rock now contains 3 mg 40k. the half-life of 40k is 1.3 billion years. how old is ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
The diffrent names for the diffrent ways the moon can look from earth or blank?
Answers (1)
Which element is most likely to gain an electron? A. Helium (He) B. Fluorine (F) C. Arsenic (As) D. Sulfur (S)
Answers (1)
1) Which type of radioactive emission has a positive charge and weak penetrating power? A) alpha particle B) beta particle C) gamma ray D) neutron
Answers (1)
Which object represents a simple machine? A) battery B) pliers C) Match D) candle
Answers (1)
A semipermeable membrane separates two aqueous solutions at 20 °C. For each of the following cases, name the solution into which a net flow of water (if any) will occur. Assume 100% dissociation for electrolytes. Solution A: 0.
Answers (1)
New Questions in Chemistry
Are kilograms heavy?
Answers (1)
What is the molarity of a solution containing 55.8 g of MgCl2 dissolved in 1 L of solution?
Answers (1)
The surface temperature on venus may approach 739K? What is this Temperature in degrees Celsius.
Answers (1)
In a physical change, the chemical composition of the matter changes, not just the matter's physical properties. true or false
Answers (1)
Two forms of lactate dehydrogenase, Ha and HoMare b. isorymes c. riborymes d. ymogens
Answers (1)