![subject](/tpl/images/cats/himiya.png)
Chemistry, 05.11.2020 18:30 graceception
Describe the reaction of copper wire and nitric acid as to color change, evolution of a gas, and change in temperature (exothermic or endothermic).
![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 22:20
Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 01:30
An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 02:30
Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
You know the right answer?
Describe the reaction of copper wire and nitric acid as to color change, evolution of a gas, and cha...
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.07.2019 05:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
English, 04.07.2019 05:50
![question](/tpl/images/cats/health.png)
Health, 04.07.2019 05:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 04.07.2019 05:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.07.2019 05:50
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 05:50
![question](/tpl/images/cats/istoriya.png)
History, 04.07.2019 05:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.07.2019 05:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 06:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 06:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 04.07.2019 06:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 04.07.2019 06:00