239 prompts matching "Calculating an Rf value from measurements"
Calculation practice: Calculating the mass of metal obtainable from an ore
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Calculation practice: Calculating the volume of a gas from a given mass
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Calculation practice: Calculating pH from hydrogen ion concentration
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Calculation practice: Calculating the purity of a sample from titration data
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Calculation practice: Calculating rate from a graph of concentration against time
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Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Calculation practice: Calculating the mass of iron from a mass of ore
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Calculation practice: Working out the formula of an ionic compound from its charges
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Calculation practice: Predicting a substance's structure from its properties
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Real-life Nigeria: Fuels and their heating values in Nigeria
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Quiz me: The major air pollutants and where they come from
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Real-life Nigeria: The test that distinguishes an alkane from an alkene
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Calculation practice: Calculating the yield of an esterification
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Chemistry at work: The petrochemicals made from oil and gas
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Calculation practice: Calculating output and efficiency for a plant
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Quiz me: The formation of an ionic bond in sodium chloride
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Spot my mistake: Predicting ionic character from electronegativity difference
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Practice set: Giant structures and simple molecular structures compared
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Practice set: Assigning oxidation numbers in compounds and in ions
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Quiz me: Identifying the oxidising agent and the reducing agent
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