250 prompts matching "Calculating masses that combine in a fixed ratio"
Exam practice: Measuring rate by volume of gas or by loss of mass
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
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Calculation practice: Calculating the products of complete combustion
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Real-life Nigeria: The test that distinguishes an alkane from an alkene
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Calculation practice: Calculating the yield of an esterification
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Calculation practice: Calculating the yield of a named fraction
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Calculation practice: Calculating the amount remaining after several half-lives
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Calculation practice: Calculating output and efficiency for a plant
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Real-life Nigeria: Back titration, and when it is used
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Chemistry at work: Redox reactions in batteries and cells
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Exam practice: The tests that identify the common non-metal gases
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Real-life Nigeria: Non-metal compounds in Nigerian industry
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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Real-life Nigeria: Linking bonding, structure and properties together
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Chemistry at work: Preparing a revision plan for the SS2 first term
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