Which of these reactions involves an acid and a covalent base?
a. hf + koh β h2o + kf
...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 19.09.2019 08:30 angelinad02
Which of these reactions involves an acid and a covalent base?
a. hf + koh β h2o + kf
b. h2so4 + 2naoh β na2so4 + 2h2o
c. hno3 + al(oh)3 β al(no3)3 + h2o
d. h2so4 + 2h2o β 2h3o+ + so42β
e. chemical equilibrium
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 19:30
Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi
Answers: 1
![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 22:30
The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:30
List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2021 17:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2021 17:30
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2021 17:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2021 17:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2021 17:30
![question](/tpl/images/cats/mat.png)
Mathematics, 11.02.2021 17:30
![question](/tpl/images/cats/istoriya.png)
History, 11.02.2021 17:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)