LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 4

The learner will build an understanding of energy changes in chemistry.

Objective 4.01
Analyze the Bohr model in terms of electron energies in the hydrogen atom.
  • The spectrum of electromagnetic energy.
  • Emission and absorption of electromagnetic energy as electrons change energy levels.
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Objective 4.02
Analyze the law of conservation of energy, energy transformation, and various forms of energy involved in chemical and physical processes.
  • Differentiate between heat and temperature.
  • Analyze heating and cooling curves.
  • Calorimetry, heat of fusion and heat of vaporization calculations.
  • Endothermic and exothermic processes including interpretation of potential energy.
  • Diagrams (energy vs reaction pathway), enthalpy and activation energy.
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Objective 4.03
Analyze the relationship between entropy and disorder in the universe.
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Objective 4.04
Analyze nuclear energy.
  • Radioactivity: characteristics of alpha, beta and gamma radiation.
  • Decay equations for alpha and beta emission.
  • Half-life.
  • Fission and fusion.
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