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How many percent of oxygen need to support fire?
Around 16% of oxygen in the air is needed to support fire. This level is known as the minimum oxygen concentration required for combustion.
Which observation would provide indirect evidence that the bubbles are O2?
If the bubbles produced can relight a glowing splint or support combustion, it would provide indirect evidence that the bubbles are oxygen (O2). This is because oxygen is required to support combustion.
Why only oxygen supports combustion and not hydrogen or nitrogen?
Hydrogen is not electronegative enough to act as a strong oxidizing agent, and the triple bond in the N2 molecule is difficult to break, making the gas largely inert. However, the halogens, particularly fluorine and chlorine can support redox reactions similar to combustion.
Can you use oxygen as a fuel?
Oxygen itself is not a fuel, as it is a reactant that helps to support combustion. It helps other substances (e.g. carbon, hydrogen) burn more efficiently by reacting with them. Oxygen is essential for combustion to occur, but it is not consumed in the process like a traditional fuel.
What is a non example of oxygen?
A non-example of oxygen could be helium, as it is an inert gas that does not readily react with other elements to form compounds or support combustion like oxygen does.
What chemicals support combustion?
Oxygen (O2)
What reactant must be present to support combustion?
Oxygen.
What is the concentration level of exygen necessary to support combustion?
Combustion generally requires at least 16% oxygen in the air for sustained burning. This is known as the oxygen concentration level necessary to support combustion. If the oxygen level falls below this threshold, combustion may not occur or may be incomplete.
Why do fireworks need chemicals with therir own oxygen?
Oxygen is essential to support any combustion; combustion is a chemical process of oxidation.
Can hydrogen support combustion?
Hydrogen is a fuel for combustion, but cannot support it in the manner than oxygen can.
Compare and contrast the relationships of oxygen and water to fire?
- Oxygen support combustion; combustion is a reaction with oxygen, an oxydation.- Hydrogen is burned with oxygen.- Water can turn off some fires.
Does air support combustion?
Yes, combustion requires oxygen which is found in air.
How many percent of oxygen need to support fire?
Around 16% of oxygen in the air is needed to support fire. This level is known as the minimum oxygen concentration required for combustion.
Which observation would provide indirect evidence that the bubbles are O2?
If the bubbles produced can relight a glowing splint or support combustion, it would provide indirect evidence that the bubbles are oxygen (O2). This is because oxygen is required to support combustion.
Why only oxygen supports combustion and not hydrogen or nitrogen?
Hydrogen is not electronegative enough to act as a strong oxidizing agent, and the triple bond in the N2 molecule is difficult to break, making the gas largely inert. However, the halogens, particularly fluorine and chlorine can support redox reactions similar to combustion.
Does hydrogen gas support combustion?
Yes, hydrogen gas supports combustion. It is highly flammable and burns in the presence of oxygen to produce heat and water vapor.
How is water different from the elements which made them?
Hydrogen gas and oxygen gas are gases at room temperature. Oxygen supports combustion and hydrogen is very combustible. Water is a liquid at room temperature and is not combustible and does not support combustion.
