![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 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:10
Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 03:30
Why do electrons further from the nucleus have more energy
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:00
Which of the following reactions is endothermic? h2(g) + ½ o2(g) h2o(g), h = -57.82 kcal ½n2(g) + o2(g) + 8.1 kcal no2(g) ½ n2(g) + 3/2 h2(g) nh3(g) + 11.0 kcal c(diamond) + o2(g) co2, h = -94.50 kcal
Answers: 2
You know the right answer?
Find the energy associated with the 4th line of the Paschen series in the hydrogen emission spectrum...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/en.png)
English, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/en.png)
English, 11.09.2020 21:01
![question](/tpl/images/cats/istoriya.png)
History, 11.09.2020 21:01
![question](/tpl/images/cats/geografiya.png)
Geography, 11.09.2020 21:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/en.png)
English, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2020 21:01