250 prompts matching "Leaving out the oxidation state where it is needed"
Calculation practice: Calculating the purity of a sample from titration data
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Chemistry at work: The accuracy demanded of an analytical chemist
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Quiz me: Exothermic and endothermic changes distinguished
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Teach me: The collision theory of reaction rate
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Quiz me: The characteristics of a system at equilibrium
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Calculation practice: Writing and using the equilibrium constant expression
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Teach me: The nature of a solution and the process of dissolving
You are my personal SS2 Chemistry tutor. Teach me the nature of a solution and the process
Quiz me: The factors that affect solubility
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Practice set: The solubility curve, and how to read it
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Teach me: The sources and impurities of natural water
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Teach me: The composition and the layers of the atmosphere
You are my personal SS2 Chemistry tutor. Teach me the composition and the layers of the at
Practice set: The homologous series and its general features
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Chemistry at work: Cracking, and the making of petrol in Nigeria
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Teach me: The origin and composition of crude oil
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Chemistry at work: The petrochemicals made from oil and gas
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Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
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Teach me: The nucleus, and what makes it unstable
You are my personal SS2 Chemistry tutor. Teach me the nucleus, and what makes it unstable,
Quiz me: The raw materials Nigeria supplies to its own industries
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Practice set: The standard enthalpies of combustion and of neutralisation
Act as my SS2 Chemistry tutor. Give me five practice questions on the standard enthalpies