500 prompts matching "Chemistry at work: How Mendeleev's table predicted undiscovered elements"
Calculation practice: Multi-step mole conversions
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Real-life Nigeria: The mole in laboratory and industrial measurement
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Calculation practice: Limiting reagent and percentage yield calculations
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Calculation practice: Solving an ideal gas equation problem
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Calculation practice: Calculating the mass crystallising out on cooling
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Real-life Nigeria: Fractional crystallisation and purification
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Calculation practice: Calculating the pH of a strong acid or a strong base
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Real-life Nigeria: Buffer solutions and how they resist a change in pH
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Calculation practice: Calculating the mass of salt obtainable
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Calculation practice: Calculating the products of complete and incomplete combustion
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Calculation practice: Calculating the mass of product in an addition reaction
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Real-life Nigeria: Polymerisation of alkenes and the plastics it gives
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Calculation practice: Calculating the yield of an ester
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Real-life Nigeria: Ethanol production by fermentation in Nigeria
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Calculation practice: Calculating the number of repeating units from molar mass
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Explain back: Reduction with carbon, and when it works
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Calculation practice: Calculating the percentage of metal in an ore
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Calculation practice: Calculating the mass of iron from a mass of haematite
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Calculation practice: Calculating the electricity needed to extract aluminium
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