Answer this questions
...
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 20:30
In a laboratory experiment, a fermenting aqueous solution of glucose and yeast produces carbon dioxide gas and ethanol. the solution was heated by burning natural gas in a bunsen burner to distill the ethanol that formed in the flask. during the distillation, the ethanol evaporated and then condensed in the receiving flask. the flame of the burner was kept too close to the bottom of the flask and some of the glucose decomposed into a black carbon deposit on the inside of the flask. during this experiment the following changes occurred. which of these changes involved a physical change and not a chemical change? check all that apply. 1-condensation of ethanol 2-evaporation of ethanol 3- formation of carbon dioxide gas from glucose burning of natural gas 4-formation of ethanol from glucose by yeast 5-formation of a carbon deposit inside the flask
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:20
Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:30
Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 22:50
![question](/tpl/images/cats/istoriya.png)
History, 19.04.2021 22:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 19.04.2021 22:50
![question](/tpl/images/cats/es.png)
Spanish, 19.04.2021 22:50
![question](/tpl/images/cats/biologiya.png)
Biology, 19.04.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 22:50
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 22:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 19.04.2021 22:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
Health, 19.04.2021 22:50
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 22:50
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/istoriya.png)
History, 19.04.2021 23:00
![question](/tpl/images/cats/mir.png)
World Languages, 19.04.2021 23:00