488 prompts matching "Giving an exothermic change a positive enthalpy"
Real-life Nigeria: The confirmatory tests for the common cations
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Spot my mistake: Reporting a sulphate result without acidifying first
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Spot my mistake: Including a rough titre in the average
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Teach me: What makes a titration a redox titration
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Exam practice: The conditions a redox titration requires
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Calculation practice: Calculating concentration from a redox titration
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Real-life Nigeria: Determining the purity of a sample by redox titration
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Practice set: Predicting from electrode potentials whether a reaction occurs
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Exam practice: Calculating the e.m.f. of a cell
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Spot my mistake: Reversing the sign of a half-cell potential wrongly
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Spot my mistake: Assuming the order matches the stoichiometric coefficient
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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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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Quiz me: Identifying the functional group in a given structure
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Spot my mistake: Naming a compound from the wrong functional group priority
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Calculation practice: Deducing a structure from percentage composition
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Real-life Nigeria: The tests that distinguish the functional groups
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Exam practice: Thermochemistry reviewed
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Spot my mistake: The errors most often made in first-term SS3 Chemistry
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