beacuse it doesnt have mass
This law is ALWAYS valid. Though the only way it is really obvious is in chemical reactions. When two chemicals react, some people used to think that it was destroying the materials (IE fire), though if you were to gather EVERYTHING from the reaction (in the case of fire, the gas, the ash, etc...) it would have EXACTLY the same mass as before.
When a fire is lit in a sealed container it is very likely to cause an explosion because of the build up of internal pressure from smoke.
The law of conservation of mass, states that mass is conserved in chemical reactions. chemistry is the study of the composition of matter, (what stuff is made of) ans the characteristic changes in the composition of matter. Such as what kind of "stuff" will burn, rust, rot, or otherwise change what it is made out of. If we add the weight (mass) or reactants such as paper and air before the fire and then take the mass (weight) after the fire of the smoke ans ashes, the mass is the same. ONLY in nuclear reactions is mass converted to energy, only in stars nuclear reactors , and atom bombs is mass (weight) converted to energy( light, or heat). So stars are losing mass (weight). A physical change is not a change in composition, typical physical changes are the melting of solids, and the boiling of liquids. Also cutting something big into little pieces, is a physical change NOT a chemical change a short board is still a board.
fight fire with fire
The total Mass will remain Constant, BUT some of the original mass will escape as fly ash and CO2 during the fire.
Fire symbol 1 signifies ammunition with a mass explosion hazard.
300mg
Fire symbol 1 signifies ammunition with a mass explosion hazard.
Fire symbol 1 signifies ammunition with a mass explosion hazard.
Fire symbol 1 signifies ammunition with a mass explosion hazard.
It is in the Pacific Ocean. Where the land mass is at. That is the Ring Of Fire.
The "missing" two grams of mass escaped the scene of the fire in the form of gases,either formed or liberated from the paper by the heat of the fire.
mass
Boston Mass
beacuse it doesnt have mass
Larry Ferazani has written: 'The last Spartans' -- subject(s): Cambridge (Mass.)., Cambridge (Mass.). Fire Dept, Fire extinction