500 prompts matching "Using Hess's law to find an unknown enthalpy change"
Practice set: Fractional distillation and what it separates
Act as my SS1 Chemistry tutor. Give me five practice questions on fractional distillation
Real-life Nigeria: Separation methods in Nigerian salt and oil production
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Explain back: Water as a solvent, and the solutions it forms
I have just studied water as a solvent, and the solutions it forms in my SS1 Chemistry cla
Practice set: Hard and soft water, and the causes of hardness
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Exam practice: The laboratory preparation of hydrogen
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Practice set: The properties and uses of oxygen
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Spot my mistake: Treating air as a compound rather than a mixture
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Real-life Nigeria: Air pollution in Nigerian cities
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Quiz me: Symbols, formulae and equations reviewed
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Explain back: The gas laws reviewed
I have just studied the gas laws reviewed in my SS1 Chemistry class. Let me explain it bac
Practice set: Acids, bases and salts reviewed
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Real-life Nigeria: Preparing a revision plan for the SS1 second term
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Quiz me: Electrolytes and non-electrolytes
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Explain back: The electrodes, and what happens at each of them
I have just studied the electrodes, and what happens at each of them in my SS1 Chemistry c
Exam practice: The factors that determine which ion is discharged
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Real-life Nigeria: Electroplating in Nigerian workshops
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Quiz me: Oxidation and reduction in terms of hydrogen
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Explain back: Oxidation and reduction in terms of electrons
I have just studied oxidation and reduction in terms of electrons in my SS1 Chemistry clas
Calculation practice: Balancing a redox equation by oxidation number
Act as my SS1 Chemistry tutor. Walk me through balancing a redox equation by oxidation num
Real-life Nigeria: Rusting as an everyday redox process in Nigeria
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