![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:00
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:40
Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30
Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons
Answers: 3
You know the right answer?
For the vaporization reaction br2(l) → br2( g., δh0= 31.0 kj/mol and δs0 = 93.0 j/(mol • k). at what...
Questions
![question](/tpl/images/cats/en.png)
English, 22.10.2020 14:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2020 14:01
![question](/tpl/images/cats/ekonomika.png)
Business, 22.10.2020 14:01
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 22.10.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01
![question](/tpl/images/cats/en.png)
English, 22.10.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2020 14:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 14:01