500 prompts matching "Working out the change in oxidation number"
Explain back: Writing the formula of a compound from valencies
I have just studied writing the formula of a compound from valencies in my SS1 Chemistry c
Explain back: The law of multiple proportions
I have just studied the law of multiple proportions in my SS1 Chemistry class. Let me expl
Spot my mistake: Applying the law of multiple proportions to the wrong pair
Act as my SS1 Chemistry tutor. Show me a worked answer on applying the law of multiple pro
Exam practice: Naming acids and the salts derived from them
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Practice set: The Kelvin scale, and converting to it
Act as my SS1 Chemistry tutor. Give me five practice questions on the Kelvin scale, and co
Practice set: Applying the general gas equation to a problem
Act as my SS1 Chemistry tutor. Give me five practice questions on applying the general gas
Calculation practice: Calculating the volume of a gas at s.t.p.
Act as my SS1 Chemistry tutor. Walk me through calculating the volume of a gas at s.t.p. a
Explain back: The limiting reagent, and how to identify it
I have just studied the limiting reagent, and how to identify it in my SS1 Chemistry class
Practice set: Calculating the mass of product from the mass of reactant
Act as my SS1 Chemistry tutor. Give me five practice questions on calculating the mass of
Calculation practice: Calculating the volume of gas produced in a reaction
Act as my SS1 Chemistry tutor. Walk me through calculating the volume of gas produced in a
Calculation practice: Calculating the concentration of an acid solution
Act as my SS1 Chemistry tutor. Walk me through calculating the concentration of an acid so
Explain back: The methods of preparing a soluble salt
I have just studied the methods of preparing a soluble salt in my SS1 Chemistry class. Let
Spot my mistake: Choosing the wrong preparation method for a given salt
Act as my SS1 Chemistry tutor. Show me a worked answer on choosing the wrong preparation m
Explain back: The trend in atomic radius across a period
I have just studied the trend in atomic radius across a period in my SS1 Chemistry class.
Practice set: The trend in ionisation energy down a group
Act as my SS1 Chemistry tutor. Give me five practice questions on the trend in ionisation
Exam practice: The trend in metallic and non-metallic character
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Explain back: Water as a solvent, and the solutions it forms
I have just studied water as a solvent, and the solutions it forms in my SS1 Chemistry cla
Explain back: The laboratory preparation of oxygen
I have just studied the laboratory preparation of oxygen in my SS1 Chemistry class. Let me
Spot my mistake: Treating air as a compound rather than a mixture
Act as my SS1 Chemistry tutor. Show me a worked answer on treating air as a compound rathe
Calculation practice: Calculating the volume of oxygen used in a reaction
Act as my SS1 Chemistry tutor. Walk me through calculating the volume of oxygen used in a