500 prompts matching "Writing and using the equilibrium constant expression"
Spot my mistake: Leaving spectator ions in an ionic equation
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Chemistry at work: Ionic equations in analytical work
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Exam practice: Coordinate or dative bonding
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Spot my mistake: Showing electron transfer in a covalent compound
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Calculation practice: Predicting relative boiling points from structure
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Calculation practice: Solving a Boyle's law problem numerically
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Chemistry at work: Gas behaviour in industrial processes
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Chemistry at work: Gas calculations in Nigerian industry
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Practice set: Water as a universal solvent
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Practice set: Removing permanent hardness from water
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Chemistry at work: Water quality work in Nigeria
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Spot my mistake: Calling every base an alkali
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Spot my mistake: Reading a pH of 7 as meaning no ions are present
Act as my SS1 Chemistry tutor. Show me a worked answer on reading a pH of 7 as meaning no
Calculation practice: Relating pH to hydrogen ion concentration
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Chemistry at work: PH control in Nigerian food processing
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Exam practice: Recording titration readings in a results table
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Calculation practice: Calculating an unknown concentration from titre values
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Calculation practice: Working out a molecular formula from a general formula
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Practice set: Expressing concentration in grams per cubic decimetre
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Exam practice: Expressing concentration in moles per cubic decimetre
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