Join anyone
tnz-wvru-dks...
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:30
Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mkx.png)
Arts, 28.11.2019 23:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.11.2019 23:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.11.2019 23:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.11.2019 23:31
![question](/tpl/images/cats/mat.png)
Mathematics, 28.11.2019 23:31
![question](/tpl/images/cats/istoriya.png)
History, 28.11.2019 23:31
![question](/tpl/images/cats/fr.png)
French, 28.11.2019 23:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 28.11.2019 23:31
![question](/tpl/images/cats/mat.png)
Mathematics, 28.11.2019 23:31
![question](/tpl/images/cats/istoriya.png)
History, 28.11.2019 23:31
![question](/tpl/images/cats/geografiya.png)
Geography, 28.11.2019 23:31