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The 3 conditions for combustion are:
1. Something flammable like "fuel"
E.g: Wood, petrol, kerosene, alcohol(ethanol), methane, etc.
2. A right temperature to ignite. The fuel must be above a certain temperature, the temperature which something will ignite is the IGNITE POINT
3. It has to have fresh air: Oxygen
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When 2.13 moles of C3H8 burn in excess oxygen how many moles of CO2 will be formed assuming complete combustion?
Out of one mole C3H8 three moles carbondioxide (CO2) are formed by complete combustion of it.So 2.13 mole C3H8 make 3*2.13 mole CO2 = 6.39 moleCO2
What three letter word denotes the residue of combustion?
The residue of combustion is called ash.
What three products are necessary in order for a hydrocarbon combustion reaction to take place?
Carbon Dioxide (C2O), Water (H2O), and Heat Energy
Different zones of candle flames?
These are the 4 zones of a candle flame from outermost to innermost A Non luminous zone . or zone of complete combustion b. Luminous zone or zone of incomplete combustion c. Dark zone or zone of no combustion d. Blue zone
What does a combustion reaction does?
A combustion reaction involves the three reactants from the fire triangle, heat, oxygen, and fuel.
How many moles of H2O are produced by the complete combustion of methane?
The complete combustion of any hydrocarbon, including methane, produces one water molecule for each two atoms of hydrogen in the hydrocarbon. The formula of methane is CH4; therefore, the complete combustion of one mole of methane produces two moles of H2O.
What three things are needed to initiate and sustain combustion?
A source of Fuel Compression and an Ignition source
What are the three products of combustion?
heat, smoke, toxic gases
What are three by products of combustion?
The general equation for combustion is: ACxHy + BO2 --> CCO2 + DH20 Sometimes when a product does not burn efficiently CO is produced.
What are the three ways that chemical bonds form?
by combustion, synthesis, and decomposition
What conditions are necessary for combustion?
There are some conditions associated with the process of combustion. The substance to be burnt must be combustible (the substance must catch fire easily). Wood, paper, coal, coke, hydrogen, liquified petroleum gas, natural gas, petrol, kerosene, diesel, alcohol, ether etc. are some of the combustible substances. The presence of a supporter of combustion is another condition for combustion to take place. They are nothing but the substances which help combustion of a combustible substance. Oxygen and air are the supporter of combustion. Air contains 21% of oxygen (a supporter of combustion) by volume and 78% of nitrogen by volume which is neither combustible nor a supporter of combustion. That is why combustible substances burn at moderate rate in air but burn at a very fast rate in oxygen. Another condition for combustion to take place is that the combustible substance should be heated so that its temperature reaches its ignition temperature. No substance can burn below its ignition temperature. The substances having low ignition temperature are called inflammable substances. The vapors of these substances in air can catch fire with a minor spark and hence can cause serious accident. Alcohol, ether, carbon disulphide, benzene synthetic fibres are some of the substances having low ignition temperature. If the ignition temperature is below the room temperature the substance can catch fire even without an external source of heat energy.
What gas from the air is needed for combustion?
the three essentials for combustion are :- (i) combustible substance (ii) oxygen (iii) ignition temperature
