86 prompts matching "hardness of water"
Calculation practice: Calculating the purity of a sample from titration data
Act as my SS2 Chemistry tutor. Walk me through calculating the purity of a sample from tit
Chemistry at work: The accuracy demanded of an analytical chemist
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on the ac
Teach me: Enthalpy and the enthalpy change of a reaction
You are my personal SS2 Chemistry tutor. Teach me enthalpy and the enthalpy change of a re
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
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Teach me: The collision theory of reaction rate
You are my personal SS2 Chemistry tutor. Teach me the collision theory of reaction rate, u
Quiz me: The factors that change the rate of a reaction
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Exam practice: Measuring rate by volume of gas or by loss of mass
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Calculation practice: Calculating rate from a graph of concentration against time
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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
You are my personal SS2 Chemistry tutor. Teach me the nature of a solution and the process
Real-life Nigeria: Fractional crystallisation and the uses made of it
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Quiz me: What causes temporary and what causes permanent hardness
Act as my SS2 Chemistry tutor and quiz me on what causes temporary and what causes permane
Exam practice: The tests for water purity
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions