500 prompts matching "Calculating the mass of product in an addition reaction"
Spot my mistake: Confusing mass number with relative atomic mass
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Chemistry at work: How models of the atom developed over time
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Quiz me: The symbols of the common elements
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Real-life Nigeria: Chemical formulae on Nigerian product labels
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Practice set: Verifying a law of combination from given data
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Exam practice: Gay-Lussac's law of combining volumes
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Spot my mistake: Using molar mass where molar volume is required
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Quiz me: Naming compounds of metals with fixed valency
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Spot my mistake: Forgetting to convert pressure units before calculating
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Exam practice: Percentage yield, and why it falls short of a hundred
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Exam practice: The laboratory preparation of hydrogen
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Teach me: The composition of air
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Chemistry at work: The uses of the gases separated from air
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Practice set: The electrolysis of acidified water
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Exam practice: Heat of reaction, of neutralisation and of combustion
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Teach me: The allotropes of carbon
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Exam practice: The uses of each allotrope of carbon
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Teach me: The oxides of carbon
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Practice set: Cement production in Nigeria
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Calculation practice: Calculating percentage recovery after a separation
Act as my SS1 Chemistry tutor. Walk me through calculating percentage recovery after a sep