334 prompts matching "Calculating rate from a graph of concentration against time"
Calculation practice: Calculating masses that combine in a fixed ratio
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Real-life Nigeria: The laws of combination at work in Nigerian industry
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Explain back: Naming compounds of metals with variable valency
I have just studied naming compounds of metals with variable valency in my SS1 Chemistry c
Calculation practice: Deducing a formula from a systematic name
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Chemistry at work: Empirical and molecular formulae from composition data
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Spot my mistake: Confusing a strong acid with a concentrated one
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Explain back: The methods of preparing a soluble salt
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Calculation practice: Titration calculations and finding an unknown concentration
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Calculation practice: Predicting a property from an element's position
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Teach me: The composition and structure of water
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Teach me: The composition of air
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Explain back: The laboratory preparation of oxygen
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Calculation practice: A mixed set of second-term chemistry calculations
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Explain back: The electrodes, and what happens at each of them
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Calculation practice: Faraday's laws and the quantity of electricity
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Teach me: Oxidation and reduction in terms of oxygen
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Explain back: Oxidation and reduction in terms of electrons
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Real-life Nigeria: Bonding and the properties of Nigerian building materials
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Calculation practice: Calculating the heat evolved in a reaction
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Real-life Nigeria: Controlling reaction rates in Nigerian food preservation
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