250 prompts matching "The ionic product of water and the pH scale"
Exam practice: The reactivity series and how it is established
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Quiz me: The hydrides of the non-metals
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Calculation practice: Calculating the volume of a gas from a given mass
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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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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Calculation practice: Calculating the purity of a sample from titration data
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Spot my mistake: Omitting the sign of an enthalpy change
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Teach me: The collision theory of reaction rate
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Quiz me: The factors that change the rate of a reaction
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Quiz me: The characteristics of a system at equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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Calculation practice: Calculating the yield of an esterification
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Real-life Nigeria: Fermentation and local alcohol production in Nigeria
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Calculation practice: Calculating the yield of a named fraction
Act as my SS2 Chemistry tutor. Walk me through calculating the yield of a named fraction a