250 prompts matching "Exam practice: Lattice energy and the Born-Haber cycle"
Real-life Nigeria: Nigeria's metal deposits and their exploitation
Act as my SS2 Chemistry tutor. Show me where Nigeria's metal deposits and their exploitati
Chemistry at work: Metalloids, and where they sit between the two
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on metall
Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.
Calculation practice: Calculating the volume of a gas from a given mass
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Explain back: Metals and their extraction reviewed
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Real-life Nigeria: Linking bonding, structure and properties together
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Explain back: The strength of an acid and the degree of ionisation
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Spot my mistake: Treating concentration and strength as the same thing
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Real-life Nigeria: Buffer solutions and where they matter
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Quiz me: The standard solution and how one is prepared
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Calculation practice: Calculating the purity of a sample from titration data
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Chemistry at work: The accuracy demanded of an analytical chemist
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Quiz me: Exothermic and endothermic changes distinguished
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Explain back: The standard enthalpy of formation
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Real-life Nigeria: Fuels and their heating values in Nigeria
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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.
Real-life Nigeria: Equilibrium in the Haber process
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Calculation practice: Calculating the mass of washing soda needed to soften water
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of washing soda needed
Quiz me: The major air pollutants and where they come from
Act as my SS2 Chemistry tutor and quiz me on the major air pollutants and where they come