Chemical Reactions and Equations · Science, chapter 1
Read the section map, ask questions about this chapter, run the concept animations, then take a quiz and see which sections to go back to.
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Sections of this chapter
Every anchor here is a citation target: a chip in an answer links straight to #section-<no>.
- §1.1CHEMICAL EQUATIONS — book page 2
- §1.1.1Writing a Chemical Equation — book page 3
- §1.1.2Balanced Chemical Equations — book page 3
- §1.2TYPES OF CHEMICAL REACTIONS — book page 6
- §1.2.1Combination Reaction — book page 6
- §1.2.2Decomposition Reaction — book page 8
- §1.2.3Displacement Reaction — book page 10
- §1.2.4Double Displacement Reaction — book page 11
- §1.2.5Oxidation and Reduction — book page 12
- §1.3HAVE YOU OBSERVED THE EFFECTS OF OXIDATION — book page 13
- §1.3.1Corrosion — book page 13
- §1.3.2Rancidity — book page 13
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Concept animations for this chapter
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Types of chemical reactions: balance the equation and watch the atom count
conceptId: reaction-types
What to notice: the two sides disagree on O — atoms are only moved around in a chemical reaction, never made or lost, so the coefficients have to be chosen to even them up.
Try this: pick Water decomposed by electricity and raise the water coefficient to 2 — the hydrogens now match but the oxygens do not until the oxygen molecule also gets a 2. Model note: only atom counts are computed here; reaction rates, energy barriers and the physical states drawn as (s)/(l)/(g)/(aq) labels are given, not simulated.
live count — not balanced: O 2=1, Mg 1=1; totals 3 = 2 atoms
10 further animations in the registries belong to other chapters.
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