Which gas has the highest flame temperature - hydrogen or carbon

In summary, hydrogen and carbon are both colorless and odorless gases that can be used as fuels, with hydrogen being the lightest and having a higher flame temperature than carbon. The flame temperature of gases is influenced by factors such as chemical composition, oxygen supply, and combustion rate. While flame temperature is an important factor in determining the effectiveness of a gas as a fuel, other factors such as availability, cost, and ease of use also play a role. The flame temperature of gases can be controlled by adjusting the oxygen supply during combustion, but excessive oxygen can have negative effects.
  • #1
taregg
70
0
which gas has the highest flame temperature .hydrogen or carbon...and why
 
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  • #2
I think carbon .but in touch heat it will be hydrogen. ...is it correct
 
  • #3
Here is a list of adiabatic (no heat losses) flame temperatures for equivalence ratio 1 (meaning oxygen and fuel are present in stoichiometric ratios and all oxygen and all fuel is burned, this gives the highest flame temperature)

http://en.wikipedia.org/wiki/Adiabatic_flame_temperature

The adiabatic flame temperatures can be computed using the formation enthalpies of the species involved in the chemical reaction.
 
  • #4
which will support fire flame more...oxygen or ozone
 
  • #5

Hydrogen has the highest flame temperature compared to carbon. This is because hydrogen has a higher heat of combustion, meaning it releases more energy when it is burned. Additionally, hydrogen has a lower molecular weight, allowing it to react more easily with oxygen and sustain a hotter flame. Carbon, on the other hand, has a lower heat of combustion and a higher molecular weight, resulting in a lower flame temperature. Therefore, hydrogen is often used in industries such as welding and metal cutting, where high temperatures are required.
 

1. What is the difference between hydrogen and carbon gas?

Hydrogen and carbon are both gases that can be used as fuels. Hydrogen is a colorless and odorless gas, while carbon is a colorless and odorless gas in its pure form. Hydrogen is the lightest gas and has a chemical symbol of H, while carbon has a chemical symbol of C and is the basis of all organic compounds.

2. Which gas has a higher flame temperature - hydrogen or carbon?

Hydrogen has a higher flame temperature compared to carbon. The flame temperature of hydrogen can reach up to 2,500 degrees Celsius, while carbon can only reach a maximum of 3,550 degrees Celsius. This is because hydrogen has a higher energy content and a higher heat of combustion compared to carbon.

3. What factors affect the flame temperature of gases?

The flame temperature of gases is affected by several factors, including the chemical composition of the gas, the amount of oxygen present, and the rate of combustion. Other factors such as pressure, temperature, and the presence of impurities can also affect the flame temperature.

4. Is the flame temperature the only important factor in determining the effectiveness of a gas as a fuel?

No, the flame temperature is not the only factor that determines the effectiveness of a gas as a fuel. Other factors such as availability, cost, and ease of use also play a significant role. For example, while hydrogen has a higher flame temperature, it is less widely available and more expensive compared to carbon, making carbon a more practical choice as a fuel.

5. Can the flame temperature of gases be controlled?

Yes, the flame temperature of gases can be controlled by adjusting the amount of oxygen present during combustion. The higher the oxygen supply, the higher the flame temperature. However, it is important to note that too much oxygen can also have negative effects, such as creating an unstable or "dirty" flame with incomplete combustion.

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