250 prompts matching "Exam practice: Applying Boyle's law to a described situation"
Quiz me: Exothermic and endothermic changes distinguished
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Explain back: The standard enthalpy of formation
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Spot my mistake: Omitting the sign of an enthalpy change
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Explain back: How a catalyst lowers the activation energy
I have just studied how a catalyst lowers the activation energy in my SS2 Chemistry class.
Spot my mistake: Saying a catalyst changes the position of equilibrium
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Quiz me: The characteristics of a system at equilibrium
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Explain back: Le Chatelier's principle stated
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Explain back: Saturated and supersaturated solutions
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Quiz me: What causes temporary and what causes permanent hardness
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Explain back: The methods of softening hard water
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Spot my mistake: Proposing boiling as a cure for permanent hardness
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Quiz me: The major air pollutants and where they come from
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Explain back: The formation and the effects of acid rain
I have just studied the formation and the effects of acid rain in my SS2 Chemistry class.
Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
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Chemistry at work: Air pollution control and regulation in Nigeria
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Quiz me: Volumetric analysis reviewed
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Explain back: Thermochemistry and reaction rates reviewed
I have just studied thermochemistry and reaction rates reviewed in my SS2 Chemistry class.