![subject](/tpl/images/cats/himiya.png)
Chemistry, 28.09.2020 05:01 danielzgame
Please help a sample is in the second half life. what percent of the sample is stable at this point?
12.5%
25%
50%
75%
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:10
When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:30
Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 03:50
How many liters of oxygen gas, at standardtemperature and pressure, will react with 35.8 grams ofiron metal? 4 fe (s) + 3 o2 (g) → 2 fe2o3 (s)
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:00
Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 1 s. what is your acceleration?
Answers: 1
You know the right answer?
Please help a sample is in the second half life. what percent of the sample is stable at this point?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.01.2021 08:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40
![question](/tpl/images/cats/en.png)
English, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40
![question](/tpl/images/cats/mkx.png)
Arts, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40
![question](/tpl/images/cats/ekonomika.png)
Business, 27.01.2021 08:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.01.2021 08:40
![question](/tpl/images/cats/istoriya.png)
History, 27.01.2021 08:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 27.01.2021 08:40
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 08:40