250 prompts matching "Including a pure solid in an equilibrium expression"
Calculation practice: Preparing a solution of a stated concentration
Act as my SS2 Chemistry tutor. Walk me through preparing a solution of a stated concentrat
Teach me: The mole ratio in a titration calculation
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Quiz me: Reading a titration results table
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Calculation practice: Calculating the purity of a sample from titration data
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Real-life Nigeria: Back titration, and when it is used
Act as my SS2 Chemistry tutor. Show me where back titration, and when it is used turns up
Chemistry at work: The accuracy demanded of an analytical chemist
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Teach me: Enthalpy and the enthalpy change of a reaction
You are my personal SS2 Chemistry tutor. Teach me enthalpy and the enthalpy change of a re
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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Quiz me: The factors that change the rate of a reaction
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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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Calculation practice: Calculating rate from a graph of concentration against time
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Practice set: The solubility curve, and how to read it
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Teach me: The sources and impurities of natural water
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Quiz me: What causes temporary and what causes permanent hardness
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Calculation practice: Calculating the mass of washing soda needed to soften water
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of washing soda needed