![subject](/tpl/images/cats/himiya.png)
Reaction involves burning. This reaction requires energy to start, but it releases more energy
than is required to start it. Oxygen is always a reactant, and the products are usually carbon dioxide and water,
A
reaction occurs when a compound breaks down. This reaction has one reactant and two or
more products, Energy, as from a battery, is usually needed to break the compound apart.
A
reaction occurs when two substances combine to form one substance. An example of this kind
of reaction is rusting, in which iron reacts with oxygen.
A reaction that involves the replacement of atoms is a
reaction. An atom from one reactant
replaces an atom in the other reactant. This kind of reaction has two reactants and two products. An example is the
neutralization of an acid and an alkali.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:30, samantha9430
Determine the reaction and balance the following equations urgent due in the morning
Answers: 2
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:30, llamasking
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
You know the right answer?
Reaction involves burning. This reaction requires energy to start, but it releases more energy
tha...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mkx.png)
Arts, 20.09.2019 22:00
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/geografiya.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 22:00
![Konu](/tpl/images/cats/istoriya.png)
History, 20.09.2019 22:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 22:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 22:00
![Konu](/tpl/images/cats/ekonomika.png)
Business, 20.09.2019 22:00