![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:20
Which of these conditions most likely produces an unstable isotope?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:40
Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:00
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
You know the right answer?
What is the oxidation number for zn(oh)4 2-?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2019 06:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 20.10.2019 06:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 20.10.2019 06:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 20.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2019 06:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 20.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2019 06:00
![question](/tpl/images/cats/biologiya.png)
Biology, 20.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2019 06:00