![subject](/tpl/images/cats/himiya.png)
Chemistry, 06.07.2019 08:30 japarisdonalson12
Of protons neutrons and electrons, which of these can never change in atom during an ordinary chemical or physical change
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 19:00
Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
Answers: 3
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:50
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:50
The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion
Answers: 1
You know the right answer?
Of protons neutrons and electrons, which of these can never change in atom during an ordinary chemic...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 24.11.2021 15:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2021 15:30
![question](/tpl/images/cats/biologiya.png)
Biology, 24.11.2021 15:30
![question](/tpl/images/cats/es.png)
Spanish, 24.11.2021 15:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2021 15:30
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 24.11.2021 15:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 24.11.2021 15:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 24.11.2021 15:30
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2021 15:30