250 prompts matching "Chemistry at work: How Mendeleev's table predicted undiscovered elements"
Exam practice: The procedure for a standard acid-base titration
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Spot my mistake: Rinsing the burette with water before filling it
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Practice set: Finding the concentration of an unknown acid
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Exam practice: Finding the concentration of an unknown alkali
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Spot my mistake: Averaging titres that are not concordant
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Practice set: The standard enthalpies of combustion and of neutralisation
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Exam practice: The energy profile diagram and activation energy
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Practice set: Homogeneous and heterogeneous catalysis
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Practice set: The effect of concentration and of pressure on equilibrium
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Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Practice set: The solubility curve, and how to read it
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Practice set: The stages of municipal water treatment
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Exam practice: The tests for water purity
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Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
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Exam practice: Solutions, water and the atmosphere reviewed
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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