I need someones help
...
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 12:00
Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 12:30
All chemicals, even safe chemicals, such as sodium chloride( table salt), are toxic if exposure is high enough. (true or false)
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 13:00
How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the density of calcium is 1.55 g/ml? show all steps of your calculation as well as the final answer.
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 20.12.2019 01:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.12.2019 01:31
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 20.12.2019 01:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.12.2019 01:31
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 20.12.2019 01:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.12.2019 01:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.12.2019 02:31