250 prompts matching "Chemistry at work: How Mendeleev's table predicted undiscovered elements"
Calculation practice: Predicting a non-metal's valency from its group
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Calculation practice: Calculating the volume of a gas from a given mass
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Calculation practice: Applying Faraday's first law to a calculation
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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Calculation practice: Calculating pH from hydrogen ion concentration
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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: Preparing a solution of a stated concentration
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Calculation practice: Calculating the purity of a sample from titration data
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Real-life Nigeria: Back titration, and when it is used
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Calculation practice: Using Hess's law to find an unknown enthalpy change
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Real-life Nigeria: Fuels and their heating values in Nigeria
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Calculation practice: Calculating rate from a graph of concentration against time
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Real-life Nigeria: The catalysts used in Nigerian industry
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Calculation practice: Writing and using the equilibrium constant expression
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Calculation practice: Calculating solubility in moles per cubic decimetre
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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
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Real-life Nigeria: Water supply problems in Nigerian towns
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Calculation practice: Interpreting air quality measurement data
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