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Using Resources

Spec 4.10 Paper 2 📗 Foundation

Subtopics

Using the Earth's Resources and Sustainable DevelopmentSpec 5.10.1.1Describe how humans use the Earth's resources and the importance of sustainable development. + Potable Water and Water TreatmentSpec 5.10.1.2–5.10.1.3Describe how potable water is produced and how waste water is treated. + Life Cycle AssessmentSpec 5.10.2.1Describe what a life cycle assessment is and how it is used to evaluate the environmental impact of products. + Ways of Reducing the Use of ResourcesSpec 5.10.2.2Describe how resources can be conserved through reduction, reuse and recycling. + Corrosion and Its PreventionSpec 4.10.3.1Explain why iron rusts and describe methods to prevent corrosion. + Alloys as Useful MaterialsSpec 4.10.3.2Describe why alloys are more useful than pure metals and give examples with their uses. + Ceramics, Polymers and CompositesSpec 4.10.3.3Describe the properties and uses of ceramics, polymers and composites as engineering materials. + The Haber ProcessSpec 4.10.4.1Describe the Haber process for manufacturing ammonia and explain the industrial conditions used. + Production and Uses of NPK FertilisersSpec 4.10.4.2Describe what NPK fertilisers are and how they are manufactured using integrated industrial processes. +

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Key Equations

N₂ + 3H₂ ⇌ 2NH₃

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