500 prompts matching "Chemistry at work: Why ionic compounds conduct only when molten or dissolved"
Practice set: Reading values and crystallisation from a curve
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Calculation practice: Calculating the mass crystallising out on cooling
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Exam practice: The titration curve for each acid-base combination
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Spot my mistake: Assuming pH 7 is neutral at every temperature
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Calculation practice: Calculating the pH of a strong acid or a strong base
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Practice set: Preparing a soluble salt by titration
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Exam practice: Preparing an insoluble salt by precipitation
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Spot my mistake: Choosing a titration route for an insoluble salt
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Calculation practice: Calculating the mass of salt obtainable
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Spot my mistake: Writing an isomer that is really the same molecule
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Calculation practice: Calculating the products of complete and incomplete combustion
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Exam practice: The test that distinguishes saturated from unsaturated
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Calculation practice: Calculating the mass of product in an addition reaction
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Exam practice: Esterification and the alkanoates
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Calculation practice: Calculating the yield of an ester
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Calculation practice: Calculating the number of repeating units from molar mass
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Explain back: Reduction with carbon, and when it works
I have just studied reduction with carbon, and when it works in my SS3 Chemistry class. Le
Calculation practice: Calculating the percentage of metal in an ore
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Spot my mistake: Naming coke as the substance that removes the impurities
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