500 prompts matching "The characteristics of a system at equilibrium"
Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Spot my mistake: Naming coke as the substance that removes the impurities
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Chemistry at work: The Nigerian iron and steel industry
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Calculation practice: Calculating the electricity needed to extract aluminium
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Chemistry at work: Aluminium smelting and the power it demands
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Teach me: The halogens as Group 7, and their common features
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Exam practice: The laboratory preparation and the tests for chlorine
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Real-life Nigeria: The nitrogen cycle and nitrogen fixation
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Project task: Examining the nitrogen content stated on a fertiliser bag
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Quiz me: The uses that follow from each carbon structure
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Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
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Project task: Demonstrating the carbon dioxide test with limewater
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Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
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Project task: Comparing the lather from water samples in my area
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Chemistry at work: Hardness and the Nigerian water supply industry
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Exam practice: The NPK rating and how to read it
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Exam practice: Transition metals and their compounds as catalysts
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Calculation practice: Working out the oxidation state in a complex ion
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Real-life Nigeria: Complex ion formation and the ligands involved
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Exam practice: Carbohydrates and their classification
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