250 prompts matching "The structure that gives each allotrope its properties"
Explain back: The strength of an acid and the degree of ionisation
I have just studied the strength of an acid and the degree of ionisation in my SS2 Chemist
Spot my mistake: Treating concentration and strength as the same thing
Act as my SS2 Chemistry tutor. Show me a worked answer on treating concentration and stren
Quiz me: The standard solution and how one is prepared
Act as my SS2 Chemistry tutor and quiz me on the standard solution and how one is prepared
Spot my mistake: Rinsing the burette with water before filling it
Act as my SS2 Chemistry tutor. Show me a worked answer on rinsing the burette with water b
Explain back: Calculating the average titre correctly
I have just studied calculating the average titre correctly in my SS2 Chemistry class. Let
Calculation practice: Calculating the purity of a sample from titration data
Act as my SS2 Chemistry tutor. Walk me through calculating the purity of a sample from tit
Quiz me: Exothermic and endothermic changes distinguished
Act as my SS2 Chemistry tutor and quiz me on exothermic and endothermic changes distinguis
Explain back: The standard enthalpy of formation
I have just studied the standard enthalpy of formation in my SS2 Chemistry class. Let me e
Spot my mistake: Omitting the sign of an enthalpy change
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Explain back: How a catalyst lowers the activation energy
I have just studied how a catalyst lowers the activation energy in my SS2 Chemistry class.
Spot my mistake: Saying a catalyst changes the position of equilibrium
Act as my SS2 Chemistry tutor. Show me a worked answer on saying a catalyst changes the po
Quiz me: The characteristics of a system at equilibrium
Act as my SS2 Chemistry tutor and quiz me on the characteristics of a system at equilibriu
Spot my mistake: Claiming a catalyst shifts the position of equilibrium
Act as my SS2 Chemistry tutor. Show me a worked answer on claiming a catalyst shifts the p
Calculation practice: Writing and using the equilibrium constant expression
Act as my SS2 Chemistry tutor. Walk me through writing and using the equilibrium constant
Spot my mistake: Reading a solubility curve at the wrong temperature
Act as my SS2 Chemistry tutor. Show me a worked answer on reading a solubility curve at th
Explain back: The methods of softening hard water
I have just studied the methods of softening hard water in my SS2 Chemistry class. Let me
Calculation practice: Calculating the mass of washing soda needed to soften water
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of washing soda needed
Quiz me: The major air pollutants and where they come from
Act as my SS2 Chemistry tutor and quiz me on the major air pollutants and where they come
Explain back: The formation and the effects of acid rain
I have just studied the formation and the effects of acid rain in my SS2 Chemistry class.
Explain back: Thermochemistry and reaction rates reviewed
I have just studied thermochemistry and reaction rates reviewed in my SS2 Chemistry class.