188 prompts matching "Working out a molecular formula from a general formula"
Quiz me: Conjugate acid-base pairs
Act as my SS2 Chemistry tutor and quiz me on conjugate acid-base pairs. Ask five questions
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
Exam practice: The hydrolysis of salts and the pH that results
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Quiz me: The standard solution and how one is prepared
Act as my SS2 Chemistry tutor and quiz me on the standard solution and how one is prepared
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
Exam practice: The procedure for a standard acid-base titration
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
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
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
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
Exam practice: The energy profile diagram and activation energy
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Quiz me: The factors that change the rate of a reaction
Act as my SS2 Chemistry tutor and quiz me on the factors that change the rate of a reactio
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.