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Law of conservation of mass "When you burn a log in the fireplace, the resulting ashes hae a mass less than that of the original log. Account for the difference in mass."
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Law of conservation of mass

"When you burn a log in the fireplace, the resulting ashes hae a mass less than that of the original log. Account for the difference in mass."

User Rray
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The only product from the burning is not the ash. Gasses are also released and the mass of these must also be accounted for. This is the reason there is a difference in mass.
User Solnic
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