Ch.1 - Intro to General ChemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Classify each of the following as a pure substance, a solution, or a heterogeneous mixture:a wood plank

Solution: Classify each of the following as a pure substance, a solution, or a heterogeneous mixture:a wood plank

Problem

Classify each of the following as a pure substance, a solution, or a heterogeneous mixture:

a wood plank

Solution

In this problem, we are asked to classify if a wood plank is a pure substance, a solution, or a heterogeneous mixture

Recall that matter is also classified according to its composition:

  • A pure substance is made up of only one component, and its composition is constant, it does not change from one sample to another.
    • It could either be an element or a compound.
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