500 prompts matching "Chemistry at work: Equilibrium in the contact process for sulphuric acid"
Spot my mistake: Adding excess reagent too early and losing a precipitate
Act as my SS3 Chemistry tutor. Show me a worked answer on adding excess reagent too early
Calculation practice: Interpreting an observation table to name a cation
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Exam practice: Testing for nitrate and for nitrite
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Spot my mistake: Reporting a sulphate result without acidifying first
Act as my SS3 Chemistry tutor. Show me a worked answer on reporting a sulphate result with
Calculation practice: Deducing an anion from a set of given observations
Act as my SS3 Chemistry tutor. Walk me through deducing an anion from a set of given obser
Spot my mistake: Including a rough titre in the average
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Calculation practice: Finding molarity from titre, volume and mole ratio
Act as my SS3 Chemistry tutor. Walk me through finding molarity from titre, volume and mol
Practice set: Iodine and thiosulphate titrations
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Exam practice: The conditions a redox titration requires
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Calculation practice: Calculating concentration from a redox titration
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Practice set: Predicting from electrode potentials whether a reaction occurs
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Spot my mistake: Reversing the sign of a half-cell potential wrongly
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Calculation practice: Applying Faraday's laws to an electrolysis calculation
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Practice set: The rate constant and its units
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Exam practice: The effect of temperature and the Arrhenius relationship
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Teach me: The equilibrium constant and how it is written
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Exam practice: Lattice energy and the Born-Haber cycle
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Calculation practice: Calculating enthalpy change from enthalpies of formation
Act as my SS3 Chemistry tutor. Walk me through calculating enthalpy change from enthalpies
Practice set: The alkanoic acids and the alkanoates
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