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What are the conditions under which oxygen reacts with hydrogen to produce water. Oxygen supports combustion and hydrogen is a good fuel but water is a good extinguisher - why?
Wiki User
∙ 11y ago
It is very good question indeed. Volume by volume two parts of hydrogen will burn in one part of oxygen.(Formula being 2H2 + O2 = H2O.) Mass for mass 212=4 to 16*2=32. 1 and 16 being mass number of hydrogen and oxygen. So 4 is to 32 means 1 is to 8 would be proportion mass by mass. After burning of hydrogen in oxygen, large amount of heat is produced and water is formed. To burn the hydrogen in oxygen you have to ignite the reaction in the form of spark, otherwise both of them will not burn and will remain as a mixture. Onceignitedthen further energy will be given by burning of gases. Now as water is already burn out product, it can not burn again. By burning wood, you get ash. You can not 'burn' the ash. So water is like 'ash' already burned out. And it consume lot of energy to get evaporated and easily available. So you use it to extinguish fire.
Wiki User
∙ 11y ago
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Which gas supports combustion other than oxygen?
Hydrogen burns in Chlorine to form HCl. Thus, CHLORINE gas supports the burning of Hydrogen.
Which gas in air supports combustion?
Oxygen.
If you say 'oxygen gas supports combustion' are you talking about a chemical or physical reaction?
Combustion is a hemical reaction.
How are the property the compound water different from the propertys of elements h and o?
hydrogen is a highly inflammable gas, and oxygen supports combustion but its compound H2O (water) is completely the opposite as it puts out the fire.
Does adding oxygen increase calorific value of fuels?
No. Oxygen is not a fuel, so it has no calorific value. Some people confuse "combustion" (burning a fuel) with "supports combustion" (allows burning to take place). Oxygen supports combustion, but does not burn itself. Therefore it has no calorific value.
Which gas supports combustion other than oxygen?
Hydrogen burns in Chlorine to form HCl. Thus, CHLORINE gas supports the burning of Hydrogen.
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.
Is supports combustion chemical property?
is supports combustion is a chemical properties
Is supporting combustion a chemical property?
is supports combustion is a chemical properties
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 nitrous oxide support combustion?
yes,above 600C it supports combustion
Is hydrogen used in extinguishing fire?
No, it is not. Because hydrogen is flammable, it will burn in contact of the fire, instead of extinguishing it. So, generally the gas used for extinguishing fire is Carbon dioxide, which is neither flammable nor supports combustion
What property of matter supports combustion?
chemical
Element that supports combustion?
. Oxygen, O.
Which gas in air supports combustion?
Oxygen.
If you say 'oxygen gas supports combustion' are you talking about a chemical or physical reaction?
Combustion is a hemical reaction.
How are the property the compound water different from the propertys of elements h and o?
hydrogen is a highly inflammable gas, and oxygen supports combustion but its compound H2O (water) is completely the opposite as it puts out the fire.
