Evidence of Chemical Reactions

Evidence of Chemical Reactions

12th Grade · Science · 45 min

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Learning Objective

Identify substance properties that can be used as evidence that a chemical reaction has occurred. Collect and interpret data on the properties of substances before and after interactions. Determine whether chemical reactions have occurred.

  • 1

    The Maillard reaction involves sugars and amino acids reacting at high temperatures to create complex flavor compounds, making food more enjoyable.

  • 2

    Alloying copper with elements like tin creates bronze, which is harder and more durable than pure copper, marking an important step in metalworking.

  • 3

    The Haber-Bosch process is used to convert nitrogen and hydrogen into ammonia, which is then used to make fertilizers that have greatly increased food production.