488 prompts matching "Giving an exothermic change a positive enthalpy"
Exam practice: The effect of temperature and the Arrhenius relationship
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Calculation practice: Calculating the rate constant from given data
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Real-life Nigeria: Reaction mechanisms and the rate-determining step
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Teach me: The equilibrium constant and how it is written
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Quiz me: Kc and Kp, and the difference between them
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Spot my mistake: Including a pure solid in an equilibrium expression
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Calculation practice: Finding an equilibrium concentration from K
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Real-life Nigeria: Equilibrium in the manufacture of ammonia and sulphuric acid
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Quiz me: Enthalpies of formation, combustion and neutralisation
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Practice set: Hess's law and the energy cycle
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Exam practice: Lattice energy and the Born-Haber cycle
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Real-life Nigeria: Entropy and the feasibility of a reaction
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Chemistry at work: Thermochemistry in fuel selection for Nigerian industry
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Teach me: The functional group, and why it governs behaviour
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Explain back: The alkanols, alkanals and alkanones distinguished
I have just studied the alkanols, alkanals and alkanones distinguished in my SS3 Chemistry
Practice set: The alkanoic acids and the alkanoates
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Exam practice: The amines, and why they behave as weak bases
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Chemistry at work: Functional groups in Nigerian pharmaceuticals
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Teach me: Qualitative analysis reviewed
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Quiz me: Volumetric analysis for the practical paper reviewed
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