![subject](/tpl/images/cats/himiya.png)
![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, 22.06.2019 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:20
Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:00
Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope
Answers: 1
You know the right answer?
The best explanation for the decrease in the amount of energy transferred to each succeeding level i...
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 26.05.2020 20:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 26.05.2020 20:57
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2020 20:57
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2020 20:57
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 26.05.2020 20:57
![question](/tpl/images/cats/biologiya.png)
Biology, 26.05.2020 20:57
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2020 20:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 26.05.2020 20:57
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.05.2020 20:57
![question](/tpl/images/cats/fizika.png)
Physics, 26.05.2020 20:57
![question](/tpl/images/cats/mat.png)