500 prompts matching "The mole in laboratory and industrial measurement"
Chemistry at work: Separation work in Nigerian laboratories
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Teach me: Crystallisation, and how it purifies a solid
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Quiz me: Simple distillation and what it separates
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Practice set: Separating a mixture of two miscible liquids
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Exam practice: The fractional distillation of crude oil
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Spot my mistake: Using simple distillation on liquids with close boiling points
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Calculation practice: Reading a distillation temperature curve
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Quiz me: Paper chromatography and how it is carried out
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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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Calculation practice: Calculating relative atomic mass from isotope abundances
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Chemistry at work: The historical models of the atom compared
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Quiz me: Writing out an electron configuration
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Calculation practice: Deducing valency from a given configuration
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Teach me: Why chemists use symbols rather than words
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Quiz me: The symbols for the first thirty elements
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Quiz me: Word equations and chemical equations compared
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Practice set: Writing an equation from a described reaction
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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