250 prompts matching "Working out the oxidation state in a complex ion"
Exam practice: The energy profile diagram and activation energy
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Calculation practice: Using Hess's law to find an unknown enthalpy change
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Calculation practice: Calculating rate from a graph of concentration against time
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Practice set: The effect of concentration and of pressure on equilibrium
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Exam practice: The effect of temperature on the position of equilibrium
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Explain back: Saturated and supersaturated solutions
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Explain back: The methods of softening hard water
I have just studied the methods of softening hard water in my SS2 Chemistry class. Let me
Practice set: The greenhouse effect and global warming
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Calculation practice: Interpreting air quality measurement data
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Exam practice: Solutions, water and the atmosphere reviewed
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Exam practice: The IUPAC rules for naming straight-chain hydrocarbons
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Calculation practice: Deducing a molecular formula from a general formula
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Exam practice: How alkenes react by addition across the double bond
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Spot my mistake: Giving an addition reaction for an alkane
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Practice set: The alkanoic acids, their general formula and their naming
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Exam practice: The reactions of the alkanoic acids
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Spot my mistake: Describing every plastic as a condensation polymer
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Explain back: Fractional distillation in a refinery
I have just studied fractional distillation in a refinery in my SS2 Chemistry class. Let m
Exam practice: The uses of each petroleum fraction
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