![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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, 22.06.2019 23:00
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:10
A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .
Answers: 1
You know the right answer?
Formular of the caution in solution x...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2021 19:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2021 19:00
![question](/tpl/images/cats/biologiya.png)
Biology, 23.06.2021 19:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2021 19:00
![question](/tpl/images/cats/geografiya.png)
Geography, 23.06.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2021 19:00
![question](/tpl/images/cats/en.png)
English, 23.06.2021 19:00
![question](/tpl/images/cats/biologiya.png)
Biology, 23.06.2021 19:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 23.06.2021 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 23.06.2021 19:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 23.06.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2021 19:00
![question](/tpl/images/cats/fizika.png)