500 prompts matching "Chemistry at work: Water quality work in Nigeria"
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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Real-life Nigeria: Stoichiometry in scaling up a reaction
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Project task: Verifying a stoichiometric ratio by experiment
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Teach me: The variables that define the state of a gas
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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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Calculation practice: Calculating the mass crystallising out on cooling
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Real-life Nigeria: Fractional crystallisation and purification
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Exam practice: The titration curve for each acid-base combination
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Spot my mistake: Assuming pH 7 is neutral at every temperature
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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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Teach me: What a salt is, and the classes salts fall into
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