146 prompts matching "hardness of water"
Explain back: Bond enthalpy and its use in estimating heat of reaction
I have just studied bond enthalpy and its use in estimating heat of reaction in my SS3 Che
Calculation practice: Calculating enthalpy change from enthalpies of formation
Act as my SS3 Chemistry tutor. Walk me through calculating enthalpy change from enthalpies
Real-life Nigeria: Entropy and the feasibility of a reaction
Act as my SS3 Chemistry tutor. Show me where entropy and the feasibility of a reaction tur
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
Teach me: The composition of crude oil and of natural gas
You are my personal SS3 Chemistry tutor. Teach me the composition of crude oil and of natu
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
Teach me: The chemistry of saponification
You are my personal SS3 Chemistry tutor. Teach me the chemistry of saponification, using a
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
Calculation practice: Calculating the yield of soap from a given mass of oil
Act as my SS3 Chemistry tutor. Walk me through calculating the yield of soap from a given
Practice set: The classes of dye and how each is applied
Act as my SS3 Chemistry tutor. Give me five practice questions on the classes of dye and h
Exam practice: Mordants and the fixing of a dye
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
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
Practice set: The methods of preventing rust
Act as my SS3 Chemistry tutor. Give me five practice questions on the methods of preventin
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
Calculation practice: Calculating the mass of iron lost to corrosion
Act as my SS3 Chemistry tutor. Walk me through calculating the mass of iron lost to corros
Real-life Nigeria: Corrosion of pipelines and bridges in Nigeria
Act as my SS3 Chemistry tutor. Show me where corrosion of pipelines and bridges in Nigeria