500 prompts matching "Exam practice: Finding the concentration of an unknown alkali"
Real-life Nigeria: Bond type and the physical properties that follow from it
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Explain back: The molar volume of a gas at s.t.p.
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Real-life Nigeria: The mole in laboratory and industrial measurement
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Explain back: The mole ratio and how it is read
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Calculation practice: Limiting reagent and percentage yield calculations
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Quiz me: Boyle's law, Charles's law and the pressure law
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Explain back: The combined gas equation and the ideal gas equation
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Calculation practice: Solving an ideal gas equation problem
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Explain back: The solubility curve and what it shows
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Calculation practice: Calculating the mass crystallising out on cooling
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Real-life Nigeria: Buffer solutions and how they resist a change in pH
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Real-life Nigeria: The salts used in Nigerian agriculture and food
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Spot my mistake: Writing an isomer that is really the same molecule
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Real-life Nigeria: The alkanes in Nigerian fuels and cooking gas
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Chemistry at work: Alkanes as feedstock for the petrochemical industry
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Explain back: The carbon-carbon double bond and triple bond
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Chemistry at work: Alkenes in the Nigerian plastics industry
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Quiz me: Addition polymers and the monomers they come from
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Explain back: Condensation polymers and the small molecule lost
I have just studied condensation polymers and the small molecule lost in my SS3 Chemistry