500 prompts matching "Working out the change in oxidation number"
Practice set: Identifying cations with sodium hydroxide solution
Act as my SS3 Chemistry tutor. Give me five practice questions on identifying cations with
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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Calculation practice: Interpreting an observation table to name a cation
Act as my SS3 Chemistry tutor. Walk me through interpreting an observation table to name a
Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Practice set: Testing for chloride, bromide and iodide
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Exam practice: Testing for nitrate and for nitrite
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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
Exam practice: Recording and averaging concordant titres
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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
Act as my SS3 Chemistry tutor. Give me five practice questions on iodine and thiosulphate
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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Calculation practice: Applying Faraday's laws to an electrolysis calculation
Act as my SS3 Chemistry tutor. Walk me through applying Faraday's laws to an electrolysis
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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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
Act as my SS3 Chemistry tutor. Show me a worked answer on including a pure solid in an equ