![subject](/tpl/images/cats/himiya.png)
Chemistry, 16.10.2019 10:00 cfdewar5403
Which of the following does not indicate that a chemical change may have taken place?
a. fracture formation
c. precipitate formation
b. gas production
d. energy transfer
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:30
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
How many grams of phosphorus are contained in 5.09 moles of phosphorus?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:50
Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules
Answers: 1
You know the right answer?
Which of the following does not indicate that a chemical change may have taken place?
a. frac...
a. frac...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 08.04.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 08.04.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.04.2021 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 08.04.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 08.04.2021 14:00
![question](/tpl/images/cats/ekonomika.png)
Business, 08.04.2021 14:00
![question](/tpl/images/cats/biologiya.png)
Biology, 08.04.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 08.04.2021 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 08.04.2021 14:00
![question](/tpl/images/cats/fr.png)
French, 08.04.2021 14:00
![question](/tpl/images/cats/ekonomika.png)
Business, 08.04.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 08.04.2021 14:00