364 prompts matching "Working out a molecular formula from a general formula"
Spot my mistake: The errors most often made in first-term SS3 Chemistry
Act as my SS3 Chemistry tutor. Show me a worked answer on the errors most often made in fi
Calculation practice: A mixed set of first-term SS3 chemistry calculations
Act as my SS3 Chemistry tutor. Walk me through a mixed set of first-term SS3 chemistry cal
Quiz me: The refinery fractions and their boiling ranges
Act as my SS3 Chemistry tutor and quiz me on the refinery fractions and their boiling rang
Explain back: Thermal and catalytic cracking compared
I have just studied thermal and catalytic cracking compared in my SS3 Chemistry class. Let
Exam practice: The products of complete and of incomplete combustion
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Assuming every fuel burns to carbon dioxide and water alone
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming every fuel burns to car
Calculation practice: Calculating the heat of combustion of a fuel
Act as my SS3 Chemistry tutor. Walk me through calculating the heat of combustion of a fue
Quiz me: The raw materials used in soap making
Act as my SS3 Chemistry tutor and quiz me on the raw materials used in soap making. Ask fi
Explain back: How a soap molecule lifts away dirt
I have just studied how a soap molecule lifts away dirt in my SS3 Chemistry class. Let me
Exam practice: The action of soap in hard water
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Expecting a detergent to fail in hard water as soap does
Act as my SS3 Chemistry tutor. Show me a worked answer on expecting a detergent to fail in
Quiz me: Natural dyes and synthetic dyes compared
Act as my SS3 Chemistry tutor and quiz me on natural dyes and synthetic dyes compared. Ask
Explain back: The chromophore, and why a dye is coloured
I have just studied the chromophore, and why a dye is coloured in my SS3 Chemistry class.
Exam practice: Mordants and the fixing of a dye
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Assuming every coloured substance is a dye
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming every coloured substanc
Calculation practice: Calculating the quantity of dye needed for a given fabric
Act as my SS3 Chemistry tutor. Walk me through calculating the quantity of dye needed for
Quiz me: The electrochemical explanation of rusting
Act as my SS3 Chemistry tutor and quiz me on the electrochemical explanation of rusting. A
Explain back: The factors that speed up rusting
I have just studied the factors that speed up rusting in my SS3 Chemistry class. Let me ex
Exam practice: Galvanising, sacrificial protection and cathodic protection
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Describing painting as a chemical method of rust prevention
Act as my SS3 Chemistry tutor. Show me a worked answer on describing painting as a chemica