This video explores the processes of rusting in iron and burning a match, addressing whether the observed changes in mass violate the law of conservation of mass, and explains how these processes align with the law.
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Questions & Answers
When an iron object rusts, its mass increases. When a match burns, its mass decreases. Do these observations violate the law of conservation of mass? Explain.
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No, these observations do not violate the law of conservation of mass. The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction. In both the examples you mentioned (rusting of iron and burning of a match), the law of conservation of mass still holds true.