"if a log is burned and leaves ashes with a much less mass, then will that be accepted as the law of conservation of mass?"
the Mass of ashes remaining + mass of the ashes that flew away + mass of the gasses (that were emaneted during the bruning) will be equal to mass of the log.
We are missing the mass thats lost to the environment.
We are unable to calculate the lost mass.
Moreover if we calculate at sub-atomic level, some of the mass is
converted to energy as described by Einstein's equation. (E=mc^2)
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The heat capacity of 20.0 g of water is if a log is burned and leaves ashes with a much less mass, then will that be accepted as the law of conservat?
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So we dont consider dat too.......
if u burn da log in a small closed space and after burning the log u were to compress the closed space just to the size of a log. u would still get the same mass of the log What drives an atom to form a covalent bond: its nuclear charge or the ::
What drives an atom to form a covalent bond: its nuclear charge or the need if a log is burned and leaves ashes with a much less mass, then will that be accepted as the law of conservat?
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A burned log does not leave ashes with less mass. Instead, most of the mass floats away. If you could collect it all, it would have the same mass as the original log.
 What is the difference between a gas and a vapor? Should (N2), and mercury be a gas or a vapor?
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"if a log is burned and leaves ashes with a much less mass, then will that be accepted as the law of conservat?