250 prompts matching "Calculating the carbon dioxide released by a mass of limestone"
Exam practice: The hydrolysis of salts and the pH that results
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Practice set: The apparatus of volumetric analysis and its correct use
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Explain back: Calculating the average titre correctly
I have just studied calculating the average titre correctly in my SS2 Chemistry class. Let
Practice set: Finding the concentration of an unknown acid
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Exam practice: Finding the concentration of an unknown alkali
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Chemistry at work: The accuracy demanded of an analytical chemist
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Teach me: Enthalpy and the enthalpy change of a reaction
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Explain back: The standard enthalpy of formation
I have just studied the standard enthalpy of formation in my SS2 Chemistry class. Let me e
Practice set: The standard enthalpies of combustion and of neutralisation
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Exam practice: The energy profile diagram and activation energy
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Spot my mistake: Omitting the sign of an enthalpy change
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Teach me: The collision theory of reaction rate
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Quiz me: The factors that change the rate of a reaction
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Quiz me: The characteristics of a system at equilibrium
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Practice set: The effect of concentration and of pressure on equilibrium
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Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Teach me: The nature of a solution and the process of dissolving
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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