Releases more energy than it absorbs
The type of reaction can be deduced from observing the changes in the reaction from left to right.
In the first case, we can see that the aluminium atom replaced Ga from left to right to yield AlP. This reaction is a single replacement reaction.
In the second case, we can see that the two species combined together to yield a single product. Hence, it is a combination reaction.
In the third reaction, We can see that the anions in MgO and BeSe exchanged cation partners from left to right. This means that this is a double replacement reaction.
In the fourth reaction, we can see that methane reacts with oxygen. This is a combustion reaction.
In the fifth reaction, we can see that the NaCl was broken up into its components. This is a decomposition reaction.
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The answer is D. It is a force between two objects that wants them to be together and it would be hard to break.
Answer:
Air contains about 21 percent oxygen, and most fires require at least 16 percent oxygen content to burn. Oxygen supports the chemical processes that occur during fire. When fuel burns, it reacts with oxygen from the surrounding air, releasing heat and generating combustion products (gases, smoke, embers, etc.).
Explanation:
