500 prompts matching "Working out the change in oxidation number"
Calculation practice: Finding an equilibrium concentration from K
Act as my SS3 Chemistry tutor. Walk me through finding an equilibrium concentration from K
Teach me: Standard conditions and standard enthalpy changes
You are my personal SS3 Chemistry tutor. Teach me standard conditions and standard enthalp
Explain back: Bond enthalpy and its use in estimating heat of reaction
I have just studied bond enthalpy and its use in estimating heat of reaction in my SS3 Che
Practice set: Hess's law and the energy cycle
Act as my SS3 Chemistry tutor. Give me five practice questions on Hess's law and the energ
Exam practice: Lattice energy and the Born-Haber cycle
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Practice set: The alkanoic acids and the alkanoates
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Calculation practice: Deducing a structure from percentage composition
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Explain back: Electrochemistry reviewed
I have just studied electrochemistry reviewed in my SS3 Chemistry class. Let me explain it
Practice set: Kinetics and equilibrium reviewed
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Exam practice: Thermochemistry reviewed
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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
Explain back: How a soap molecule lifts away dirt
I have just studied how a soap molecule lifts away dirt in my SS3 Chemistry class. Let me
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
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Practice set: The classes of dye and how each is applied
Act as my SS3 Chemistry tutor. Give me five practice questions on the classes of dye and h
Spot my mistake: Assuming every coloured substance is a dye
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Exam practice: Galvanising, sacrificial protection and cathodic protection
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Spot my mistake: Describing painting as a chemical method of rust prevention
Act as my SS3 Chemistry tutor. Show me a worked answer on describing painting as a chemica
Explain back: Acid rain, its chemistry and its effects
I have just studied acid rain, its chemistry and its effects in my SS3 Chemistry class. Le