434 prompts matching "Exam practice: Empirical and molecular formula from composition"
Spot my mistake: Using simple distillation on liquids with close boiling points
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Chemistry at work: Distillation in the Nigerian refining industry
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Chemistry at work: Analytical chemistry as a career in Nigeria
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Spot my mistake: Thinking isotopes of an element react differently
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Chemistry at work: The historical models of the atom compared
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Chemistry at work: The international agreement behind chemical symbols
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Spot my mistake: Altering subscripts in order to balance an equation
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Chemistry at work: Why balanced equations matter in industry
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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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Spot my mistake: Placing hydrogen wrongly in the periodic table
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Chemistry at work: How the periodic table came to be arranged as it is
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Spot my mistake: Showing electron transfer in a covalent compound
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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Spot my mistake: Leaving the temperature in Celsius in a gas calculation
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Chemistry at work: Gas behaviour in industrial processes
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Spot my mistake: Using the wrong value of R for the units given
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Chemistry at work: Gas calculations in Nigerian industry
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