Drivers of Reactions

1

Exothermic and Endothermic Reactions

Energy In, Energy Out

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2

Enthalpy and Energy Profile Diagrams

Visualising Energy Changes in a Reaction

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3

Measuring Enthalpy Change — Calorimetry

q = mcΔ T

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4

Hess's Law

Adding Up Reaction Steps

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5

Calculating Enthalpy Change from Bond Energies

Breaking Bonds Costs Energy, Forming Bonds Releases It

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6

Entropy and Spontaneity

Disorder and the Direction of Change

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7

Gibbs Free Energy and Predicting Spontaneity

Δ G = Δ H − TΔ S

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8

Comparing the Energy Content of Fuels

Enthalpy of Combustion and Energy Density

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9

Designing an Experiment to Compare Fuel Energy Content

Applying Calorimetry to a Real Investigation

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10

Comparing Calorimetry, Hess's Law, and Bond Energy Methods

Accuracy, Precision, and Sources of Discrepancy

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11

Energy Considerations in Industrial Reactions: The Haber Process

Balancing Enthalpy, Rate, and Practical Conditions

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12

Predicting and Justifying Reaction Feasibility

Combining Δ H, Δ S and Δ G in Worked Scenarios

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13

Analysing Thermochemical Data and Energy Profile Diagrams

Interpreting Graphs and Tables

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14

Drivers of Reactions — Bringing It Together

Integrated Review

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