250 prompts matching "Comparing the lather from water samples in my area"
Explain back: Primary standards, and what makes a substance suitable
I have just studied primary standards, and what makes a substance suitable in my SS2 Chemi
Exam practice: The procedure for a standard acid-base titration
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Calculation practice: Preparing a solution of a stated concentration
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Real-life Nigeria: Volumetric analysis in Nigerian quality control
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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
You are my personal SS2 Chemistry tutor. Teach me enthalpy and the enthalpy change of a re
Exam practice: The energy profile diagram and activation energy
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Calculation practice: Using Hess's law to find an unknown enthalpy change
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Teach me: The collision theory of reaction rate
You are my personal SS2 Chemistry tutor. Teach me the collision theory of reaction rate, u
Exam practice: Measuring rate by volume of gas or by loss of mass
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Explain back: Le Chatelier's principle stated
I have just studied Le Chatelier's principle stated in my SS2 Chemistry class. Let me expl
Exam practice: The effect of temperature on the position of equilibrium
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Explain back: Saturated and supersaturated solutions
I have just studied saturated and supersaturated solutions in my SS2 Chemistry class. Let
Exam practice: Solubility product and sparingly soluble salts
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Calculation practice: Calculating solubility in moles per cubic decimetre
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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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
Calculation practice: Interpreting air quality measurement data
Act as my SS2 Chemistry tutor. Walk me through interpreting air quality measurement data a
Chemistry at work: Air pollution control and regulation in Nigeria
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on air po
Explain back: Saturated and unsaturated hydrocarbons
I have just studied saturated and unsaturated hydrocarbons in my SS2 Chemistry class. Let