250 prompts matching "The scientific method as chemists use it"
Exam practice: Electrolysis and electrochemistry reviewed
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Calculation practice: A mixed set of first-term SS2 chemistry calculations
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Real-life Nigeria: Linking bonding, structure and properties together
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Quiz me: Conjugate acid-base pairs
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Explain back: The strength of an acid and the degree of ionisation
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Exam practice: The hydrolysis of salts and the pH that results
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Real-life Nigeria: Buffer solutions and where they matter
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Quiz me: The standard solution and how one is prepared
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Explain back: Primary standards, and what makes a substance suitable
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Real-life Nigeria: Volumetric analysis in Nigerian quality control
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Quiz me: Reading a titration results table
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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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Quiz me: Exothermic and endothermic changes distinguished
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Explain back: The standard enthalpy of formation
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Exam practice: The energy profile diagram and activation energy
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Real-life Nigeria: Fuels and their heating values in Nigeria
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Quiz me: The factors that change the rate of a reaction
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Explain back: How a catalyst lowers the activation energy
I have just studied how a catalyst lowers the activation energy in my SS2 Chemistry class.
Exam practice: Measuring rate by volume of gas or by loss of mass
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