500 prompts matching "How a catalyst lowers the activation energy"
Quiz me: Naming the simple amines
Act as my SS3 Chemistry tutor and quiz me on naming the simple amines. Ask five questions
Explain back: Amino acids and the peptide link
I have just studied amino acids and the peptide link in my SS3 Chemistry class. Let me exp
Calculation practice: Calculating the molar mass of a simple peptide
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Practice set: Identifying cations with sodium hydroxide solution
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Exam practice: Identifying cations with aqueous ammonia
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Spot my mistake: Adding excess reagent too early and losing a precipitate
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Practice set: Testing for chloride, bromide and iodide
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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
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Exam practice: Recording and averaging concordant titres
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Practice set: Iodine and thiosulphate titrations
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Chemistry at work: Redox titration in Nigerian industrial testing
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Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
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Practice set: Calculating Kc from equilibrium concentrations
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Exam practice: Applying Le Chatelier's principle to industrial processes
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Spot my mistake: Including a pure solid in an equilibrium expression
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Chemistry at work: Functional groups in Nigerian pharmaceuticals
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