250 prompts matching "The mole in Nigerian pharmaceutical measurement"
Explain back: Metals and their extraction reviewed
I have just studied metals and their extraction reviewed in my SS2 Chemistry class. Let me
Spot my mistake: The errors most often made in first-term SS2 Chemistry
Act as my SS2 Chemistry tutor. Show me a worked answer on the errors most often made in fi
Explain back: The strength of an acid and the degree of ionisation
I have just studied the strength of an acid and the degree of ionisation in my SS2 Chemist
Spot my mistake: Treating concentration and strength as the same thing
Act as my SS2 Chemistry tutor. Show me a worked answer on treating concentration and stren
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
Explain back: Calculating the average titre correctly
I have just studied calculating the average titre correctly in my SS2 Chemistry class. Let
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
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Quiz me: Exothermic and endothermic changes distinguished
Act as my SS2 Chemistry tutor and quiz me on exothermic and endothermic changes distinguis
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
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
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
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
Calculation practice: Calculating the mass of washing soda needed to soften water
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of washing soda needed
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.