![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 20:30
An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
You know the right answer?
Which principal energy level can hold a maximum of 18 electrons...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 17.06.2020 19:57
![question](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 19:57
![question](/tpl/images/cats/istoriya.png)
History, 17.06.2020 19:57
![question](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 19:57
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 19:57
![question](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 19:57
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.06.2020 19:57
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 19:57
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 17.06.2020 19:57