![subject](/tpl/images/cats/himiya.png)
![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 00:30
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:30
In apex! a liquid heated beyond a certain temperature becomes
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize
Answers: 3
You know the right answer?
Write an equation showing how you could prepare ethyl phenyl ketone from propanenitrile and a grigna...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 19.10.2019 19:30
![question](/tpl/images/cats/istoriya.png)
History, 19.10.2019 19:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 19.10.2019 19:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 19.10.2019 19:30
![question](/tpl/images/cats/fizika.png)
Physics, 19.10.2019 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 19.10.2019 19:30
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 19.10.2019 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 19:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 19:30
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)