250 prompts matching "Local soap production in Nigeria"
Calculation practice: Calculating pH from hydrogen ion concentration
Act as my SS2 Chemistry tutor. Walk me through calculating pH from hydrogen ion concentrat
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
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
Quiz me: Reading a titration results table
Act as my SS2 Chemistry tutor and quiz me on reading a titration results table. Ask five q
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
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
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
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.
Exam practice: Measuring rate by volume of gas or by loss of mass
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
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
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