Uri de: acid clului
faric hidroxid de sodiu, nitrat
pură, elibe
epurare a
Ag...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 06.05.2020 21:40 jabper5522
Uri de: acid clului
faric hidroxid de sodiu, nitrat
pură, elibe
epurare a
AgNO3
are (indus-
erimentul 1. Reacții ce decurg cu formare de precipitat
cumati într-o eprubetă 1-2 ml soluție de clorură de calciu (CaCl).
unati 3-4 picături soluție de nitrat de argint (AgNO3). Agitati
continutul eprubetei. Observați formarea unui precipitat alb si brîn-
Scrieti ecuațiile moleculară și ionică ale reacției de schimb ce
are loc
(EM) 2AgNO3 + CaCl2 = 2AgCl + Ca(NO3)2
(EIC) 2Ag+ + 2NO3 + C22+ + 2C1 = 2AgCl + Ca2+ + 2NO3
(EIR) &Ag + 8C1 = {AgCi (reducem coeficienții)
precipitat alb
CaCl2
2 ml
AGCH
cează. Va
c în calea
ută prin
Impuri
vasul de
Formulați concluziile.
ontul
Ronatii a doura ou dagaiarea unui az
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize
Answers: 3
![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 20:30
A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:50
Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/en.png)
English, 30.04.2021 01:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mir.png)
World Languages, 30.04.2021 01:00
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.04.2021 01:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 30.04.2021 01:00