250 prompts matching "Chemistry at work: Recording observations and inferences in the WAEC format"
Calculation practice: Calculating pH from hydrogen ion concentration
Act as my SS2 Chemistry tutor. Walk me through calculating pH from hydrogen ion concentrat
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
Exam practice: The procedure for a standard acid-base titration
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Spot my mistake: Rinsing the burette with water before filling it
Act as my SS2 Chemistry tutor. Show me a worked answer on rinsing the burette with water b
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
Exam practice: Finding the concentration of an unknown alkali
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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
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
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
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
Act as my SS2 Chemistry tutor. Walk me through using Hess's law to find an unknown enthalp
Practice set: Homogeneous and heterogeneous catalysis
Act as my SS2 Chemistry tutor. Give me five practice questions on homogeneous and heteroge
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
Act as my SS2 Chemistry tutor. Show me a worked answer on saying a catalyst changes the po
Calculation practice: Calculating rate from a graph of concentration against time
Act as my SS2 Chemistry tutor. Walk me through calculating rate from a graph of concentrat
Practice set: The effect of concentration and of pressure on equilibrium
Act as my SS2 Chemistry tutor. Give me five practice questions on the effect of concentrat
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
Exam practice: Solubility product and sparingly soluble salts
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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