500 prompts matching "Calculating the mass crystallising out on cooling"
Spot my mistake: Giving an exothermic change a positive enthalpy
Act as my SS1 Chemistry tutor. Show me a worked answer on giving an exothermic change a po
Spot my mistake: Saying a catalyst is used up during a reaction
Act as my SS1 Chemistry tutor. Show me a worked answer on saying a catalyst is used up dur
Explain back: The structure that gives each allotrope its properties
I have just studied the structure that gives each allotrope its properties in my SS1 Chemi
Spot my mistake: Assuming diamond and graphite are different elements
Act as my SS1 Chemistry tutor. Show me a worked answer on assuming diamond and graphite ar
Explain back: Carbon monoxide, and why it is dangerous
I have just studied carbon monoxide, and why it is dangerous in my SS1 Chemistry class. Le
Explain back: Water pollution and its causes in Nigeria
I have just studied water pollution and its causes in Nigeria in my SS1 Chemistry class. L
Explain back: The chemistry of Nigerian cooking
I have just studied the chemistry of Nigerian cooking in my SS1 Chemistry class. Let me ex
Project task: Surveying the chemicals in my own home
Act as my SS1 Chemistry tutor. Set me a short practical or research task on surveying the
Explain back: Energy changes and reaction rates reviewed
I have just studied energy changes and reaction rates reviewed in my SS1 Chemistry class.
Spot my mistake: The errors most often made in third-term SS1 Chemistry
Act as my SS1 Chemistry tutor. Show me a worked answer on the errors most often made in th
Explain back: The Nigerian petrochemical industry
I have just studied the Nigerian petrochemical industry in my SS1 Chemistry class. Let me
Spot my mistake: Assuming every chemical plant makes the same kind of product
Act as my SS1 Chemistry tutor. Show me a worked answer on assuming every chemical plant ma
Spot my mistake: Choosing decantation where filtration is needed
Act as my SS1 Chemistry tutor. Show me a worked answer on choosing decantation where filtr
Spot my mistake: Using simple distillation on liquids with close boiling points
Act as my SS1 Chemistry tutor. Show me a worked answer on using simple distillation on liq
Project task: Building a simple distillation set-up
Act as my SS1 Chemistry tutor. Set me a short practical or research task on building a sim
Quiz me: Paper chromatography and how it is carried out
Act as my SS1 Chemistry tutor and quiz me on paper chromatography and how it is carried ou
Explain back: The Rf value and what it tells you
I have just studied the Rf value and what it tells you in my SS1 Chemistry class. Let me e
Project task: Building a chart of the first twenty atoms
Act as my SS1 Chemistry tutor. Set me a short practical or research task on building a cha
Explain back: The octet rule and chemical stability
I have just studied the octet rule and chemical stability in my SS1 Chemistry class. Let m
Project task: Modelling electron arrangement with counters
Act as my SS1 Chemistry tutor. Set me a short practical or research task on modelling elec