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... The Amount of Oxygen in the room
Because oxygen is required for something to burn. The air mixture adds the oxygen to the gas and allows burning to take place.
Iron will burn in pure oxygen.
Coal cannot burn without oxygen.
No, the flame needs the oxygen to burn. Without oxygen, the flame would go out.
Oxygen.
... The Amount of Oxygen in the room
Anything which burns requires O2, so oxygen is required for fuel to burn. Also this is known as a combustion reaction and an exothermic reaction.
Oxygen itself isn't flammable but it is required for something to burn
You have to burn 3,500 calories more than what you consume to lose 1 pound. So to lose 35 pounds you will have to burn 122,500 extra calories.
Burning is the rapid Oxidation of a Compound. Therefore the Element Oxygen is required.
The balanced equation for the reaction is 2 C4H10 + 13 O2 -> 8 CO2 + 10 H2O. This shows that 13 moles of diatomic oxygen are required to burn 2 moles of butane. By proportionality, (4.8/2)13 or 31.2 moles of oxygen are required to burn 4.8 moles of butane. This corresponds to 31.2(32) or 1.0 X 103 grams of oxygen.
120 pounds in 1 hour
Oxygen (O2) is required for combustion.
Because oxygen is required for something to burn. The air mixture adds the oxygen to the gas and allows burning to take place.
In order to lose one pound, you need to burn 3500 more calories than you take in. If you want to lost 2 pounds in a week, you need to burn 7000 calories more than you take in.
Iron will burn in pure oxygen.