![subject](/tpl/images/cats/himiya.png)
Chemistry, 08.09.2021 07:20 littlelyna2love
Imagine you had the good fortune to find a meteorite in your backyard that appears to be a piece of material from the early history of the solar system. Quantitatively, how would you expect its ratio of potassium-40 and argon-40 to be different from that of other rocks in your yard? Explain why. The half-life for the decay of potassium-40 to argon-40 is 1.25 billion years.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 17:40
Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:50
At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 03:10
Which is true according to the law of conservation of energy
Answers: 1
You know the right answer?
Imagine you had the good fortune to find a meteorite in your backyard that appears to be a
piece o...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 01.03.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 22:50
![question](/tpl/images/cats/geografiya.png)
Geography, 01.03.2021 22:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 01.03.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 22:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
Health, 01.03.2021 22:50
![question](/tpl/images/cats/ekonomika.png)
Business, 01.03.2021 22:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.03.2021 22:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 01.03.2021 22:50
![question](/tpl/images/cats/istoriya.png)
History, 01.03.2021 22:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 01.03.2021 22:50
![question](/tpl/images/cats/en.png)
English, 01.03.2021 22:50