1.1.1: Chemical reactions and energy transfer:
Describe energy transfer in chemical reactions and differentiate between open, closed, and isolated systems.

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1.1.2 & 1.1.3: Exothermic, endothermic reactions & energy profiles: Identify and compare exothermic and endothermic reactions using energy profile diagrams, labeling activation energy and enthalpy change.

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1.1.4: Standard enthalpy change:
Calculate heat energy using q = mcΔT and determine standard enthalpy change using ΔH° = –q/n.