University:
University of North Dakota
Course:
CHEM 121 | General Chemistry I
Academic year:

2023
Views:

19

Pages:

1
Author:

Kareem Graham

Chemistry: Classifying Matter 1. Define matter, pure, mixture, element, compound, solution and mechanical mixture. 2. Classify each of the materials below. In the center column, state whether the material is a pure substance or a mixture. If the material is a pure substance, further classify it as either an element or compound in the right column. Similarly, if the material is a mixture, further classify it as homogeneous or heterogeneous in the right column. Write the entire word in each space to earn full credit. Material concrete Pure Substance Element, Compound, or Mixture Solution, Mechanical Mixture M MM sugar + pure water (C12H22O11 + H2O) iron filings (Fe) M S P E limestone (CaCO3) P C orange juice (w/pulp) M MM Pacific Ocean M MM or S air inside a balloon M S aluminum (Al) P E magnesium (Mg) P E acetylene (C2H2) P C tap water in a glass M S soil M MM pure water (H2O) P C chromium (Cr) P E Chex mix M MM salt + pure water (NaCl + H2O) benzene (C6H6) M S P C muddy water M MM brass (Cu mixed with Zn) baking soda (NaHCO3) M S P C