500 prompts matching "Altering subscripts in order to balance an equation"
Calculation practice: Calculating the molar mass of a simple peptide
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Chemistry at work: Biochemistry and food science as careers
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on bioche
Exam practice: Identifying cations with aqueous ammonia
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Exam practice: Calculating the e.m.f. of a cell
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Exam practice: The effect of temperature and the Arrhenius relationship
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Explain back: What the magnitude of K tells you
I have just studied what the magnitude of K tells you in my SS3 Chemistry class. Let me ex
Exam practice: Lattice energy and the Born-Haber cycle
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Explain back: Electrochemistry reviewed
I have just studied electrochemistry reviewed in my SS3 Chemistry class. Let me explain it
Explain back: How a soap molecule lifts away dirt
I have just studied how a soap molecule lifts away dirt in my SS3 Chemistry class. Let me
Exam practice: The action of soap in hard water
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Exam practice: Heavy metal pollution and its effects on health
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Exam practice: The types of glass and the uses of each
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Exam practice: Past-question organic chemistry problems
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Exam practice: Presenting titration results in the required table
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Exam practice: Concentration, dilution and titration calculations
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Exam practice: Empirical and molecular formula from composition
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Explain back: The trends down a group
I have just studied the trends down a group in my SS3 Chemistry class. Let me explain it b
Exam practice: A full objective paper under examination conditions
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Exam practice: A final mixed paper before the examination
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Explain back: The trend in ionisation energy
I have just studied the trend in ionisation energy in my SS3 Chemistry class. Let me expla