![subject](/tpl/images/cats/himiya.png)
When iron oxide powder and aluminum powder react, they undergo a single-displacement reaction to form iron and aluminum oxide. the reaction releases a great deal of light and enough thermal energy to melt the iron that forms. which statement correctly describes this reaction?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:00
The drawing represents the movement of particles in a substance. what changes of state can this substance undergo
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:00
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:20
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
You know the right answer?
When iron oxide powder and aluminum powder react, they undergo a single-displacement reaction to for...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.11.2020 04:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/biologiya.png)
Biology, 24.11.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 24.11.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 04:00