250 prompts matching "The mole ratio and how it is read"
Exam practice: Identifying the species oxidised in a reaction
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Teach me: Reduction defined, and always paired with oxidation
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Explain back: Why oxidation and reduction always occur together
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Quiz me: Where the metals sit in the periodic table
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Explain back: Why metals conduct heat and electricity
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Quiz me: Where the non-metals sit in the periodic table
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Explain back: The allotropes shown by some non-metals
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Practice set: The chemical behaviour of metals and non-metals compared
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Teach me: The oxides of non-metals and their acidic nature
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Explain back: Metals and their extraction reviewed
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Practice set: Non-metals and their compounds reviewed
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Exam practice: Electrolysis and electrochemistry reviewed
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Explain back: Primary standards, and what makes a substance suitable
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Real-life Nigeria: Volumetric analysis in Nigerian quality control
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Teach me: Enthalpy and the enthalpy change of a reaction
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Explain back: The standard enthalpy of formation
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Exam practice: The energy profile diagram and activation energy
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Teach me: The collision theory of reaction rate
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Explain back: How a catalyst lowers the activation energy
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Practice set: Homogeneous and heterogeneous catalysis
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