ayohana67Yohana ayohana67Yohana
  • 23-03-2017
  • Physics
contestada

Consider burning paper and making a pie. Why would these actions be classified as chemical changes?

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CommanderMAM
CommanderMAM CommanderMAM
  • 09-09-2018

they are irreversible (you can't unburn paper) and affect the chemical composition of the object (when paper burns, it transforms the nearby oxygen into carbon dioxide using the carbon in the paper)

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