250 prompts matching "Chemistry at work: The international agreement behind chemical symbols"
Calculation practice: Writing and using the equilibrium constant expression
Act as my SS2 Chemistry tutor. Walk me through writing and using the equilibrium constant
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
Calculation practice: A mixed set of second-term SS2 chemistry calculations
Act as my SS2 Chemistry tutor. Walk me through a mixed set of second-term SS2 chemistry ca
Calculation practice: Calculating the products of complete combustion
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Calculation practice: Calculating the yield of an esterification
Act as my SS2 Chemistry tutor. Walk me through calculating the yield of an esterification
Calculation practice: Calculating the yield of a named fraction
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Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Calculation practice: Calculating the mass of iron from a mass of ore
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Calculation practice: Calculating the amount remaining after several half-lives
Act as my SS2 Chemistry tutor. Walk me through calculating the amount remaining after seve
Calculation practice: A mixed set of SS2 Chemistry calculations
Act as my SS2 Chemistry tutor. Walk me through a mixed set of SS2 Chemistry calculations a
Practice set: The formation of a covalent bond in a simple molecule
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
Act as my SS2 Chemistry tutor. Show me a worked answer on calling the oxidising agent the
Practice set: Making sulphur dioxide in the laboratory and testing it
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Exam practice: The tests that identify the common non-metal gases
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Exam practice: The hydrolysis of salts and the pH that results
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Spot my mistake: Treating concentration and strength as the same thing
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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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