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When something burns, it is getting oxidized. Combustion reactions involve oxygen.
During oxidation,
1.the substance forms a bond with oxygen (or)
2.an element of the substance breaks away from it to bond with oxygen.
The mass of the reactants (substance + oxygen) are always equal to the mass of the products.
If the mass referred to in the question is the mass of the substance, then you can say that the mass has increased due to the addition of oxygen when the substance is forming a bond with it.
However in reactions where an element breaks off the substance to bond with oxygen, the mass in question can be assumed to be that of the major portion of the substance. Then, it may be said that the mass of the substance has reduced. For example, carbon in a substance combines with oxygen to form CO2. Thus the substance loses carbon and its mass reduces.
What else can I help you with?
Does the mass of something change if you change it shape?
No. Mass is independent of shape. The mass, as measured by weight, will be the same. If the material is compressible and you change the volume as a result of changing the shape, the density will change although the mass will not.
Does your mass change if you were to travel to the moon?
Your mass will not change, but your weight will.
Does your mass change as you travel to the moon?
No. Your mass stays the same no matter where you are.Your weight however, will change because of the lack of gravity.---The mass won't change as mass is what you are made up of the 'stuff' your are made up of.Only the gravity will change.
Does the mass of an object change as the distance from the center of gravity changes?
Mass doesn't change. Mass the is substance of an object, moving it around won't affect how much mass it has, only adding or subtracting from the object would affect the quantity of mass. The weight would change because gravity is inversely proportional to distance but not the mass.
Go to another planet will your mass change?
Your mass will remain the same regardless of the planet you are on. Mass is a measure of the amount of matter in an object, while weight is the force of gravity acting on that mass. So, your weight will change on a different planet due to differences in gravitational pull, but your mass will stay constant.
When fuel is burnt does its mass change?
When fuel is burned, its mass does not change. The conversion of fuel to energy during combustion involves a rearrangement of atoms and molecules, but the total mass remains constant according to the law of conservation of mass.
One gallon of isooctane has a mass of 2.6 kg What is the change in enthalpy for the combustion of one gallon of this compound?
The change in enthalpy for the combustion of one gallon of isooctane can be calculated using the heat of combustion for isooctane, which is -5470 kJ/kg. Given the mass of one gallon (2.6 kg), the change in enthalpy would be -5470 kJ/kg * 2.6 kg = -14222 kJ.
How do you calculate the heat of combustion for a given substance?
To calculate the heat of combustion for a substance, you can use the formula: Heat of combustion (mass of substance) x (heat capacity) x (change in temperature). This formula helps determine the amount of heat released when a substance undergoes complete combustion.
When 0.515g of biphenyl C12H10 undergoes combustion in a bomb calorimeter the temperature rises from 25.9C to 30.0circ C?
The heat released during combustion can be calculated using the temperature change and the heat capacity of the calorimeter. By converting the temperature change to kelvin and using the mass of biphenyl burned, the heat of combustion can be determined.
Is the combustion of wood an example of a physical change?
Combustion (burning) is a chemical change.
Is combustion a chemcial change?
Combustion clearly is a chemical change. In the combustion of a hydrocarbon, for example, you begin with the hydrocarbon and after combustion you end up with carbon dioxide (CO2) and water (H2O). This demonstrates that a chemical change has taken place.
what is the mass in grams of oxygen, is needed to complete combustion of 6 L of methane?
what is the mass in grams of oxygen, is needed to complete combustion of 6 L of methane?
Does fire have mass?
Yes, fire is a result of a chemical reaction involving combustion, and the products of combustion have mass. The flame itself is a visible light emitted by hot gases and particles, but the fire as a whole does have a mass which comes from the matter being consumed in the process.
Why the hp of an engine change in the same engine?
Amount of fuel and amont of air, and the compressability of the combustion chamber. Of course it is all relative to the amout of Rotating mass that the motor is attched to.
How can we reduce the combustion of fossil fuels?
You can change the air-to-fuel ratio to get less optimal combustion.
Is combustion of gasoline a chemical change?
Yes, it is.
Does combustion involve a chemical change?
Yes.
