489 prompts matching "How atomic number identifies an element"
Chemistry at work: Bonding and the strength of engineering materials
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Practice set: Converting between mass, moles and particles
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Spot my mistake: Using molar volume for a substance that is not a gas
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Real-life Nigeria: The mole in laboratory and industrial measurement
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Exam practice: Mass-to-volume and volume-to-volume calculations
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Spot my mistake: Reading a mole ratio off an unbalanced equation
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Chemistry at work: Stoichiometry in Nigerian chemical manufacturing
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Chemistry at work: Gas law calculations in Nigerian industry
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Practice set: Reading values and crystallisation from a curve
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Real-life Nigeria: Fractional crystallisation and purification
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Chemistry at work: Solution chemistry in Nigerian pharmacy
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Practice set: Indicators and their working ranges
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Chemistry at work: PH control in Nigerian food and water industries
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Exam practice: Preparing an insoluble salt by precipitation
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Spot my mistake: Choosing a titration route for an insoluble salt
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Real-life Nigeria: The salts used in Nigerian agriculture and food
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Chemistry at work: Salt manufacture as an industry
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Practice set: The hydrolysis of a salt of a strong acid and a weak base
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Exam practice: The salts that do not hydrolyse, and why
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