221 prompts matching "Forgetting to convert pressure units before calculating"
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
Practice set: The apparatus of volumetric analysis and its correct use
Act as my SS2 Chemistry tutor. Give me five practice questions on the apparatus of volumet
Calculation practice: Preparing a solution of a stated concentration
Act as my SS2 Chemistry tutor. Walk me through preparing a solution of a stated concentrat
Practice set: Finding the concentration of an unknown acid
Act as my SS2 Chemistry tutor. Give me five practice questions on finding the concentratio
Spot my mistake: Averaging titres that are not concordant
Act as my SS2 Chemistry tutor. Show me a worked answer on averaging titres that are not co
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
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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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
Explain back: How a catalyst lowers the activation energy
I have just studied how a catalyst lowers the activation energy in my SS2 Chemistry class.
Practice set: Homogeneous and heterogeneous catalysis
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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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
Spot my mistake: Claiming a catalyst shifts the position of equilibrium
Act as my SS2 Chemistry tutor. Show me a worked answer on claiming a catalyst shifts the p
Calculation practice: Writing and using the equilibrium constant expression
Act as my SS2 Chemistry tutor. Walk me through writing and using the equilibrium constant
Chemistry at work: Equilibrium in the contact process for sulphuric acid
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on equili
Explain back: Saturated and supersaturated solutions
I have just studied saturated and supersaturated solutions in my SS2 Chemistry class. Let
Spot my mistake: Reading a solubility curve at the wrong temperature
Act as my SS2 Chemistry tutor. Show me a worked answer on reading a solubility curve at th
Explain back: The methods of softening hard water
I have just studied the methods of softening hard water in my SS2 Chemistry class. Let me
Practice set: The stages of municipal water treatment
Act as my SS2 Chemistry tutor. Give me five practice questions on the stages of municipal