![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:30
Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20Β°c what would have have been the final temperature of the water
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o β k + o2 (b) na + i2 β nai (c) cu(no3 )2 + naoh β cu(oh)2 + nano3 (d) kclo3 β kcl + o2 (e) ca(no3 )2 + hbr β cabr2 + hno3 (f) sn(oh)2 β sno + h2 o (g) p4 + n2 o β p4 o6 + n2 (h) fe + al2 (so4 )3 β feso4 + al (i) alcl3 + na2 co3 β al2 (co3 )3 + nacl (j) c3 h6 + o2 β co2 + h2 o
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:10
Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a β3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a β3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a β3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a β3 charge on the phosphorus atom.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:50
The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
Answers: 3
You know the right answer?
Asample of caco3 (molar mass 100. g) was reported as being 30. percent ca. assuming no calcium was p...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 13.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 14:00
![question](/tpl/images/cats/mir.png)
World Languages, 13.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 13.04.2021 14:00
![question](/tpl/images/cats/fizika.png)
Physics, 13.04.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 13.04.2021 14:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 13.04.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.04.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 13.04.2021 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 13.04.2021 14:00
![question](/tpl/images/cats/en.png)
English, 13.04.2021 14:00
![question](/tpl/images/cats/fizika.png)
Physics, 13.04.2021 14:00
![question](/tpl/images/cats/en.png)