434 prompts matching "Le Chatelier's principle stated"
Chemistry at work: Distillation in the Nigerian refining industry
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Explain back: The Rf value and what it tells you
I have just studied the Rf value and what it tells you in my SS1 Chemistry class. Let me e
Practice set: Sublimation as a method of separation
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Exam practice: Magnetic separation and the use of a separating funnel
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Calculation practice: Calculating an Rf value from measurements
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Chemistry at work: Analytical chemistry as a career in Nigeria
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Real-life Nigeria: Radioactive isotopes and their uses in Nigeria
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Chemistry at work: The historical models of the atom compared
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Exam practice: Ionisation and the formation of cations and anions
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Teach me: Why chemists use symbols rather than words
You are my personal SS1 Chemistry tutor. Teach me why chemists use symbols rather than wor
Explain back: What a chemical formula tells you
I have just studied what a chemical formula tells you in my SS1 Chemistry class. Let me ex
Exam practice: The common radicals and the charges they carry
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Spot my mistake: Writing a formula without balancing the charges
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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Chemistry at work: The international agreement behind chemical symbols
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Teach me: What a chemical equation represents
You are my personal SS1 Chemistry tutor. Teach me what a chemical equation represents, usi