500 prompts matching "Chemistry at work: Distillation in the Nigerian refining industry"
Calculation practice: Calculating relative atomic mass from isotopic data
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Exam practice: The trend in metallic character and in oxide acidity
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Teach me: Why a bond forms, and what holds it together
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Practice set: Dative covalent bonding and where it occurs
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Calculation practice: Predicting bond type from electronegativity difference
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Real-life Nigeria: Bond type and the physical properties that follow from it
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Exam practice: Concentration expressed in moles per cubic decimetre
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Spot my mistake: Using molar volume for a substance that is not a gas
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Spot my mistake: Reading a mole ratio off an unbalanced equation
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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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Real-life Nigeria: The assumptions of the kinetic theory of gases
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Practice set: Reading values and crystallisation from a curve
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Spot my mistake: Reading a solubility curve without checking the units
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Teach me: The Arrhenius and the Bronsted-Lowry definitions
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Spot my mistake: Assuming pH 7 is neutral at every temperature
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Real-life Nigeria: Buffer solutions and how they resist a change in pH
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Practice set: Preparing a soluble salt by titration
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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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