![subject](/tpl/images/cats/himiya.png)
Chemistry, 13.08.2021 01:00 gatornathan79
Radioactive samples A and B have equal half-lives. The initial activity of sample A is twice that of sample B. What is the ratio of the activity of sample A to that of sample B after two half-lives have elapsed
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 19:00
Plz me get these answer dubble cheak ur answer plz ppl i need it right
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 02:40
How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:00
Type the letter that represents the correct location for each particle type below.
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
Radioactive samples A and B have equal half-lives. The initial activity of sample A is twice that of...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.07.2019 04:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 24.07.2019 04:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 24.07.2019 04:30
![question](/tpl/images/cats/istoriya.png)
History, 24.07.2019 04:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.07.2019 04:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 04:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 24.07.2019 04:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.07.2019 04:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.07.2019 04:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)