![subject](/tpl/images/cats/himiya.png)
Chemistry, 09.02.2021 22:00 tshegofatso92
How does photosynthesis moves matter in the aquaponics ecosystem
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
A3.37-mg sample of protein was chemically digested to convert its nitrogen into ammonia and then diluted to 100.0 ml. then 10.0 ml of this solution was placed in a 50-ml volumetric flask and treated with 5 ml of phenol solution plus 2 ml of sodium hypochlorite solution. the sample was diluted to 50.0 ml, and the absorbance at 625 nm was measured in a 1.00-cm cuvette and found to be 0.486. for reference, a standard solution was prepared from 10.0 mg of nh4cl (molar mass = 53.49 grams/mole) dissolved in 1.00 l of water. then 10.0 ml of this standard was placed in a 50-ml volumetric flask, treated in the same manner as the unknown, and the absorbance found to be 0.323. finally, a reagent blank was prepared using distilled water in place of unknown, it was treated in the same manner as the unknown, and the absorbance found to be 0.076. calculate the weight percent of nitrogen in the protein.
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:30
What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community
Answers: 2
You know the right answer?
How does photosynthesis moves matter in the aquaponics ecosystem...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 12.11.2020 20:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 12.11.2020 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.11.2020 20:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.11.2020 20:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.11.2020 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.11.2020 20:00
![question](/tpl/images/cats/biologiya.png)
Biology, 12.11.2020 20:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 12.11.2020 20:00
![question](/tpl/images/cats/mat.png)
Mathematics, 12.11.2020 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.11.2020 20:00