Hello everyone.
I need your help ASAP. 30 POINTS GUYS
DO NOT ANSWER WITH A LINK OR I W...
![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
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 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
Condensation happens when water vapor cools. true or false? ?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 04:40
Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:32
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.03.2020 20:33
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 20:33