Problem: Determine whether each molecular diagram represents a pure substance or a mixture. If it represents a pure substance, classify the substance as an element or a compound. If it represents a mixture, classify the mixture as homogeneous or heterogeneous.

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Recall:

  • Pure Substance → made up of one component, could either be an element or a compound
    • Element → cannot be chemically broken down into a simpler substance
    • Compound → made up of 2 or more elements
  • Mixture → made up of two or more components
    • Homogeneous mixture → uniformly mixed
    • Heterogenous mixture → varied composition
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Problem Details

Determine whether each molecular diagram represents a pure substance or a mixture. If it represents a pure substance, classify the substance as an element or a compound. If it represents a mixture, classify the mixture as homogeneous or heterogeneous.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Classification of Matter concept. You can view video lessons to learn Classification of Matter. Or if you need more Classification of Matter practice, you can also practice Classification of Matter practice problems.

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Based on our data, we think this problem is relevant for Professor Mohammadi's class at CSULB.