500 prompts matching "Bond enthalpy and its use in estimating heat of reaction"
Exam practice: Identifying the oxidising and the reducing agent in a reaction
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Spot my mistake: Giving an exothermic change a positive enthalpy
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Calculation practice: Calculating the heat evolved in a reaction
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Spot my mistake: Saying a catalyst is used up during a reaction
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Project task: The carbon cycle and its stages
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Spot my mistake: Confusing the greenhouse effect with ozone depletion
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Quiz me: Chemical bonding reviewed
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Practice set: Carbon and its compounds reviewed
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Exam practice: Fertiliser and how it is manufactured in Nigeria
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Calculation practice: Predicting a compound's formula from the bonding type
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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Practice set: The pressure law and its graph
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Exam practice: Converting between Celsius and Kelvin
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Practice set: Molar volume and its value at s.t.p.
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Spot my mistake: Using the wrong value of R for the units given
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Real-life Nigeria: Graham's law of diffusion and the uses made of it
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Real-life Nigeria: The water cycle and its importance
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Exam practice: Where hard water helps, and where it hinders
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Chemistry at work: The uses of bases in Nigerian industry
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