500 prompts matching "Chemistry at work: The international agreement behind chemical symbols"
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
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
Spot my mistake: Including a rough titre in the average
Act as my SS3 Chemistry tutor. Show me a worked answer on including a rough titre in the a
Practice set: Iodine and thiosulphate titrations
Act as my SS3 Chemistry tutor. Give me five practice questions on iodine and thiosulphate
Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
Act as my SS3 Chemistry tutor. Show me a worked answer on using hydrochloric acid to acidi
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
Act as my SS3 Chemistry tutor. Show me a worked answer on reversing the sign of a half-cel
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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Practice set: Hess's law and the energy cycle
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Exam practice: The amines, and why they behave as weak bases
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Spot my mistake: Naming a compound from the wrong functional group priority
Act as my SS3 Chemistry tutor. Show me a worked answer on naming a compound from the wrong
Practice set: Reforming, isomerisation and octane number
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Exam practice: The products of complete and of incomplete combustion
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Spot my mistake: Assuming every fuel burns to carbon dioxide and water alone
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming every fuel burns to car
Practice set: Soapless detergents and how they differ from soap
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Spot my mistake: Expecting a detergent to fail in hard water as soap does
Act as my SS3 Chemistry tutor. Show me a worked answer on expecting a detergent to fail in
Practice set: The classes of dye and how each is applied
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Exam practice: Mordants and the fixing of a dye
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