250 prompts matching "Charcoal production and its use in Nigeria"
Practice set: The standard enthalpies of combustion and of neutralisation
Act as my SS2 Chemistry tutor. Give me five practice questions on the standard enthalpies
Spot my mistake: Omitting the sign of an enthalpy change
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Calculation practice: Using Hess's law to find an unknown enthalpy change
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Practice set: Homogeneous and heterogeneous catalysis
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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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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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Practice set: The solubility curve, and how to read it
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Spot my mistake: Proposing boiling as a cure for permanent hardness
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Calculation practice: Calculating the mass of washing soda needed to soften water
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Quiz me: The major air pollutants and where they come from
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Calculation practice: Interpreting air quality measurement data
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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Quiz me: Catenation and the tetravalency of carbon
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Spot my mistake: Naming a compound without first finding the longest chain
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Calculation practice: Deducing a molecular formula from a general formula
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Practice set: The alkenes, their general formula and their structure
Act as my SS2 Chemistry tutor. Give me five practice questions on the alkenes, their gener