447 prompts matching "Enthalpy change and its sign convention"
Teach me: Standard conditions and standard enthalpy changes
You are my personal SS3 Chemistry tutor. Teach me standard conditions and standard enthalp
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
Practice set: The rate constant and its units
Act as my SS3 Chemistry tutor. Give me five practice questions on the rate constant and it
Explain back: Acid rain, its chemistry and its effects
I have just studied acid rain, its chemistry and its effects in my SS3 Chemistry class. Le
Exam practice: Heavy metal pollution and its effects on health
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Practice set: Ion exchange and the softening of water
Act as my SS3 Chemistry tutor. Give me five practice questions on ion exchange and the sof
Real-life Nigeria: The Nigerian cement industry and its growth
Act as my SS3 Chemistry tutor. Show me where the Nigerian cement industry and its growth t
Quiz me: The apparatus and its correct handling
Act as my SS3 Chemistry tutor and quiz me on the apparatus and its correct handling. Ask f
Teach me: The structure of the periodic table and its blocks
You are my personal SS3 Chemistry tutor. Teach me the structure of the periodic table and
Real-life Nigeria: Buffer solutions and how they resist a change in pH
Act as my SS3 Chemistry tutor. Show me where buffer solutions and how they resist a change
Project task: Preparing an ester and recording its smell
Act as my SS3 Chemistry tutor. Set me a short practical or research task on preparing an e
Practice set: Naming a polymer from its monomer, and the reverse
Act as my SS3 Chemistry tutor. Give me five practice questions on naming a polymer from it
Real-life Nigeria: The uses of aluminium and of its alloys
Act as my SS3 Chemistry tutor. Show me where the uses of aluminium and of its alloys turns
Teach me: Nitrogen, its occurrence and its inertness
You are my personal SS3 Chemistry tutor. Teach me nitrogen, its occurrence and its inertne
Explain back: Ammonia, its preparation and its properties
I have just studied ammonia, its preparation and its properties in my SS3 Chemistry class.
Exam practice: Nitric acid, its manufacture and its reactions
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Exam practice: Removing permanent hardness by chemical and ion-exchange methods
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Reversing the sign of a half-cell potential wrongly
Act as my SS3 Chemistry tutor. Show me a worked answer on reversing the sign of a half-cel
Spot my mistake: Losing marks by dropping units mid-calculation
Act as my SS3 Chemistry tutor. Show me a worked answer on losing marks by dropping units m