Quiz
in order to accurately determine absolute time, you need to know which of the follo...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 31.01.2020 01:51 betsylancer8071
Quiz
in order to accurately determine absolute time, you need to know which of the following?
-the rate at which radioactive decay occurs
-a collection of fossil shells from sedimentary rocks
-how much radioactive decay has occurred
-a sequence of rock layers
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
The data below were determined for the reaction shown below. s2o82β + 3i β (aq) β 2so42β + i3β expt. # [s2o82β] (m) [i β] (m) initial rate 1 0.038 0.060 1.4 Γ 10 β 5 m/s 2 0.076 0.060 2.8 Γ 10 β 5 m/s 3 0.076 0.030 1.4 Γ 10 β 5 m/s the rate law for this reaction must be:
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 04:40
6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 27.08.2019 17:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.08.2019 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 17:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.08.2019 17:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.08.2019 17:00
![question](/tpl/images/cats/en.png)
English, 27.08.2019 17:00
![question](/tpl/images/cats/es.png)
Spanish, 27.08.2019 17:00
![question](/tpl/images/cats/fizika.png)
Physics, 27.08.2019 17:00
![question](/tpl/images/cats/en.png)
English, 27.08.2019 17:00
![question](/tpl/images/cats/istoriya.png)
History, 27.08.2019 17:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 27.08.2019 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 27.08.2019 17:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/health.png)