500 prompts matching "The evidence that matter is made of particles"
Chemistry at work: Why the mole underpins all quantitative chemistry
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Spot my mistake: Reading a mole ratio off an unbalanced equation
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
Act as my SS3 Chemistry tutor. Show me a worked answer on using pressure in millimetres of
Explain back: The ionic product of water and the pH scale
I have just studied the ionic product of water and the pH scale in my SS3 Chemistry class.
Calculation practice: Calculating the pH of a strong acid or a strong base
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Real-life Nigeria: Buffer solutions and how they resist a change in pH
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Calculation practice: Calculating the mass of salt obtainable
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Exam practice: The salts that do not hydrolyse, and why
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Explain back: The physical properties of the alkanes and their trends
I have just studied the physical properties of the alkanes and their trends in my SS3 Chem
Calculation practice: Calculating the products of complete and incomplete combustion
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Chemistry at work: Alkanes as feedstock for the petrochemical industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on alkane
Practice set: The addition reactions of the alkenes
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Calculation practice: Calculating the mass of product in an addition reaction
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Chemistry at work: Alkenes in the Nigerian plastics industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on alkene
Explain back: The oxidation of the alkanols and the products it gives
I have just studied the oxidation of the alkanols and the products it gives in my SS3 Chem
Calculation practice: Calculating the yield of an ester
Act as my SS3 Chemistry tutor. Walk me through calculating the yield of an ester as a full
Calculation practice: Calculating the number of repeating units from molar mass
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Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Teach me: Ores, gangue and the stages of extraction
You are my personal SS3 Chemistry tutor. Teach me ores, gangue and the stages of extractio