500 prompts matching "Chemistry at work: Separation work in Nigerian laboratories"
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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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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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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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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Teach me: What a salt is, and the classes salts fall into
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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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Calculation practice: Calculating the mass of salt obtainable
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Real-life Nigeria: The salts used in Nigerian agriculture and food
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Real-life Nigeria: Hydrolysis and soil pH in Nigerian farming
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Spot my mistake: Writing an isomer that is really the same molecule
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