250 prompts matching "Using an unbalanced equation in a stoichiometry calculation"
Quiz me: The standard solution and how one is prepared
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Practice set: The apparatus of volumetric analysis and its correct use
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Exam practice: The procedure for a standard acid-base titration
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Spot my mistake: Rinsing the burette with water before filling it
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Quiz me: Reading a titration results table
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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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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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Practice set: The effect of concentration and of pressure on 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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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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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Quiz me: What causes temporary and what causes permanent hardness
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