![subject](/tpl/images/cats/himiya.png)
Chemistry, 29.06.2019 11:30 maehardy4134
Early chinese alchemists discovered an early form of gunpowder. what was the composition of this substance? what later developments were made to the gunpowder recipe that improved its pyrotechnic properties?
![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)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:30
The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30
When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device
Answers: 2
You know the right answer?
Early chinese alchemists discovered an early form of gunpowder. what was the composition of this sub...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/biologiya.png)
Biology, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/health.png)
Health, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30
![question](/tpl/images/cats/mat.png)
Mathematics, 29.09.2019 21:30