250 prompts matching "Exam practice: A final mixed paper before the examination"
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
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
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
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.
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
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
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
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
Calculation practice: Calculating solubility in moles per cubic decimetre
Act as my SS2 Chemistry tutor. Walk me through calculating solubility in moles per cubic d
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
Explain back: The formation and the effects of acid rain
I have just studied the formation and the effects of acid rain in my SS2 Chemistry class.
Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
Act as my SS2 Chemistry tutor. Show me a worked answer on blaming ozone depletion for the
Calculation practice: Interpreting air quality measurement data
Act as my SS2 Chemistry tutor. Walk me through interpreting air quality measurement data a
Explain back: Thermochemistry and reaction rates reviewed
I have just studied thermochemistry and reaction rates reviewed in my SS2 Chemistry class.
Spot my mistake: The errors most often made in second-term SS2 Chemistry
Act as my SS2 Chemistry tutor. Show me a worked answer on the errors most often made in se
Spot my mistake: Naming a compound without first finding the longest chain
Act as my SS2 Chemistry tutor. Show me a worked answer on naming a compound without first
Calculation practice: Deducing a molecular formula from a general formula
Act as my SS2 Chemistry tutor. Walk me through deducing a molecular formula from a general
Explain back: The substitution reactions of the alkanes
I have just studied the substitution reactions of the alkanes in my SS2 Chemistry class. L