488 prompts matching "Giving an exothermic change a positive enthalpy"
Explain back: Filling and reading a burette accurately
I have just studied filling and reading a burette accurately in my SS3 Chemistry class. Le
Practice set: Carrying out a titration to concordant results
Act as my SS3 Chemistry tutor. Give me five practice questions on carrying out a titration
Real-life Nigeria: Reporting an answer to the right number of figures
Act as my SS3 Chemistry tutor. Show me where reporting an answer to the right number of fi
Chemistry at work: Sources of error, and how candidates should discuss them
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on source
Quiz me: Mole and mass conversions under time pressure
Act as my SS3 Chemistry tutor and quiz me on mole and mass conversions under time pressure
Explain back: Setting out a calculation so the examiner can follow it
I have just studied setting out a calculation so the examiner can follow it in my SS3 Chem
Practice set: Gas volume and stoichiometry calculations
Act as my SS3 Chemistry tutor. Give me five practice questions on gas volume and stoichiom
Exam practice: Concentration, dilution and titration calculations
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Calculation practice: Percentage purity, yield and composition calculations
Act as my SS3 Chemistry tutor. Walk me through percentage purity, yield and composition ca
Real-life Nigeria: Checking an answer for physical sense
Act as my SS3 Chemistry tutor. Show me where checking an answer for physical sense turns u
Teach me: The mole as the bridge between mass and particles
You are my personal SS3 Chemistry tutor. Teach me the mole as the bridge between mass and
Quiz me: Converting between mass, moles, volume and particles
Act as my SS3 Chemistry tutor and quiz me on converting between mass, moles, volume and pa
Explain back: Limiting reagent problems, and how to spot the limit
I have just studied limiting reagent problems, and how to spot the limit in my SS3 Chemist
Practice set: Percentage yield and percentage purity
Act as my SS3 Chemistry tutor. Give me five practice questions on percentage yield and per
Exam practice: Empirical and molecular formula from composition
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Forgetting to balance the equation before using mole ratios
Act as my SS3 Chemistry tutor. Show me a worked answer on forgetting to balance the equati
Real-life Nigeria: Stoichiometry in a Nigerian industrial context
Act as my SS3 Chemistry tutor. Show me where stoichiometry in a Nigerian industrial contex
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
Practice set: The characteristic chemistry of Groups 1, 2, 7 and 0
Act as my SS3 Chemistry tutor. Give me five practice questions on the characteristic chemi
Exam practice: The transition elements and their distinguishing features
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions