500 prompts matching "Exam practice: The energy profile diagram and activation energy"
Quiz me: The apparatus and its correct handling
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Chemistry at work: Sources of error, and how candidates should discuss them
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Explain back: Setting out a calculation so the examiner can follow it
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Calculation practice: Percentage purity, yield and composition calculations
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Explain back: Limiting reagent problems, and how to spot the limit
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Spot my mistake: The time-management mistakes candidates make
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Spot my mistake: The topics I keep getting wrong, and why
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Calculation practice: The calculations I still need to practise
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Real-life Nigeria: What to do in the last week before the examination
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Real-life Nigeria: Configuration and an element's position in the table
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Quiz me: The trend in atomic and in ionic radius
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Explain back: The trend in ionisation energy
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Calculation practice: Comparing two elements using their trend data
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Quiz me: Ionic bonding and the compounds it produces
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Real-life Nigeria: Bond type and the physical properties that follow from it
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Chemistry at work: Bonding and the strength of engineering materials
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Real-life Nigeria: The mole in laboratory and industrial measurement
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Explain back: The mole ratio and how it is read
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Calculation practice: Limiting reagent and percentage yield calculations
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Quiz me: Boyle's law, Charles's law and the pressure law
Act as my SS3 Chemistry tutor and quiz me on Boyle's law, Charles's law and the pressure l