500 prompts matching "How a catalyst lowers the activation energy"
Quiz me: How coal was formed, and the ranks of coal
Act as my SS1 Chemistry tutor and quiz me on how coal was formed, and the ranks of coal. A
Real-life Nigeria: Energy changes in Nigerian cooking fuels
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Spot my mistake: Saying a catalyst is used up during a reaction
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Practice set: The importance of chemistry to Nigerian life
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Exam practice: The links between chemistry and the other sciences
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Chemistry at work: The careers that a study of chemistry opens
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Exam practice: The raw materials each Nigerian chemical industry draws on
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Spot my mistake: The environmental effects of chemical industry
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Practice set: Diffusion, and what it shows about particles
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Spot my mistake: Saying the particles themselves melt when a solid melts
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Practice set: Isotopes, and why they exist
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Exam practice: The electron configuration of the first twenty elements
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Quiz me: Valency, and how it is worked out from configuration
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Explain back: Ions, and how an atom becomes one
I have just studied ions, and how an atom becomes one in my SS1 Chemistry class. Let me ex
Practice set: Writing the electron configuration of a given ion
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Exam practice: The relation between configuration and position in the periodic table
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Spot my mistake: Filling electron shells in the wrong order
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Real-life Nigeria: Why the noble gases are unreactive
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Real-life Nigeria: The kinetic theory in Nigerian cooking and drying
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Spot my mistake: Applying the law of multiple proportions to the wrong pair
Act as my SS1 Chemistry tutor. Show me a worked answer on applying the law of multiple pro