![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
What happens to the temperature of a substance when the average kinetic energy of its particles increases?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:00
All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
Answers: 1
You know the right answer?
Which of the following actions decreases the entropy of a system?
A-mixing baking soda and salt
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.12.2020 22:50
![question](/tpl/images/cats/health.png)
Health, 17.12.2020 22:50
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 17.12.2020 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50
![question](/tpl/images/cats/User.png)
SAT, 17.12.2020 22:50
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 17.12.2020 22:50
![question](/tpl/images/cats/biologiya.png)
Biology, 17.12.2020 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 22:50