![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 15:00
Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30
How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it
Answers: 3
![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
You know the right answer?
Como sacar una sal neutra del nitrato de calcio...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2019 05:31
![question](/tpl/images/cats/en.png)
English, 07.11.2019 05:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2019 05:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2019 05:31
![question](/tpl/images/cats/health.png)
Health, 07.11.2019 05:31
![question](/tpl/images/cats/biologiya.png)
Biology, 07.11.2019 05:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 07.11.2019 05:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2019 05:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.11.2019 05:31