![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 17:10
For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:30
Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.
Answers: 2
You know the right answer?
Atoms of which two elements have a combined total of 23 protons...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.01.2021 21:40
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.01.2021 21:40
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2021 21:40
![question](/tpl/images/cats/fizika.png)
Physics, 29.01.2021 21:40