134 prompts matching "How a soap molecule lifts away dirt"
Spot my mistake: Averaging titres that are not concordant
Act as my SS2 Chemistry tutor. Show me a worked answer on averaging titres that are not co
Real-life Nigeria: Back titration, and when it is used
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Chemistry at work: The accuracy demanded of an analytical chemist
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Practice set: The standard enthalpies of combustion and of neutralisation
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Exam practice: The energy profile diagram and activation energy
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Spot my mistake: Omitting the sign of an enthalpy change
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Real-life Nigeria: Fuels and their heating values in Nigeria
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Practice set: Homogeneous and heterogeneous catalysis
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Real-life Nigeria: The catalysts used in Nigerian industry
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Practice set: The effect of concentration and of pressure on equilibrium
Act as my SS2 Chemistry tutor. Give me five practice questions on the effect of concentrat
Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Real-life Nigeria: Equilibrium in the Haber process
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Exam practice: Solubility product and sparingly soluble salts
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Practice set: The stages of municipal water treatment
Act as my SS2 Chemistry tutor. Give me five practice questions on the stages of municipal