![subject](/tpl/images/cats/himiya.png)
Chemistry, 06.12.2019 23:31 melkumathurin
Iron-59 is a beta emitter with a half-life of 44.5 days. if a sample initially contains 180 mg of iron-59, how much iron-59 is left in the sample after 267 days?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:40
Enzymes affect the reactions in living cells by changing the
Answers: 3
![question](/tpl/images/cats/himiya.png)
You know the right answer?
Iron-59 is a beta emitter with a half-life of 44.5 days. if a sample initially contains 180 mg of ir...
Questions
![question](/tpl/images/cats/ekonomika.png)
Business, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28
![question](/tpl/images/cats/en.png)
English, 06.05.2020 04:28
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 06.05.2020 04:28
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
World Languages, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 04:28