Unit flashcards
Unit 5: Chemical Energetics — one card for every lesson
Unit 5 overview: Chemical Energetics
Chemical Energetics Tap to flipUnit 5 overview: Chemical Energetics
Unit 5 overview — CO-ORDINATED SCIENCES: Chemical Energetics — 1 topic and 3 lessons. Work through the lessons in order, then use each lesson's Key terms and Common mistakes tabs to revise.TopicLessons5.1 Exothermic and Endothermic Reactions5.1.1 Endothermic and Exothermic Reactions5.1.2…
Open the lessonEndothermic and Exothermic Reactions
Chemical Energetics Tap to flipEndothermic and Exothermic Reactions
5.1.1 Endothermic and Exothermic Reactions — CO-ORDINATED SCIENCES notes: State that exothermic reactions transfer thermal energy to the surroundings and endothermic reactions take it in.bond breaking making energyendothermic exothermic energy changeKey ideasΔH = total energy to break bonds (reactants) −…
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Chemical Energetics Tap to flipEnthalpy Change and Activation Energy
5.1.2 Enthalpy Change and Activation Energy — CO-ORDINATED SCIENCES notes: Explain activation energy, state the sign of the enthalpy change for exothermic and endothermic reactions, and draw and label reaction pathway diagrams (HT only).arrhenius activation energy 129 workedCollisions must be…
Open the lessonBond Breaking and Bond Forming
Chemical Energetics Tap to flipBond Breaking and Bond Forming
5.1.3 Bond Breaking and Bond Forming — CO-ORDINATED SCIENCES notes: Explain why reactions are exothermic or endothermic in terms of the energy taken in to break bonds and released when bonds form, and use bond energies to find the overall…
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