250 prompts matching "The rate constant and its units"
Exam practice: The paint and textile industries in Nigeria
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Spot my mistake: Assuming Nigeria must import all its industrial chemicals
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Spot my mistake: Explaining metallic conductivity by the movement of ions
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Calculation practice: Predicting a substance's structure from its properties
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Spot my mistake: Assuming every metal is hard and dense
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Calculation practice: Predicting a non-metal's valency from its group
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Spot my mistake: Rinsing the burette with water before filling it
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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
Exam practice: Measuring rate by volume of gas or by loss of mass
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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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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
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Spot my mistake: The errors most often made in second-term SS2 Chemistry
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Spot my mistake: Naming a compound without first finding the longest chain
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Spot my mistake: Proposing a higher temperature to raise the ammonia yield
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