250 prompts matching "Calculating the mass crystallising out on cooling"
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
Exam practice: Measuring rate by volume of gas or by loss of mass
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Explain back: Saturated and supersaturated solutions
I have just studied saturated and supersaturated solutions in my SS2 Chemistry class. Let
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
Explain back: Saturated and unsaturated hydrocarbons
I have just studied saturated and unsaturated hydrocarbons in my SS2 Chemistry class. Let
Spot my mistake: Giving an addition reaction for an alkane
Act as my SS2 Chemistry tutor. Show me a worked answer on giving an addition reaction for
Spot my mistake: Confusing an alkanol with an alkanoic acid in a test
Act as my SS2 Chemistry tutor. Show me a worked answer on confusing an alkanol with an alk
Spot my mistake: Describing every plastic as a condensation polymer
Act as my SS2 Chemistry tutor. Show me a worked answer on describing every plastic as a co
Explain back: Fractional distillation in a refinery
I have just studied fractional distillation in a refinery in my SS2 Chemistry class. Let m
Spot my mistake: Confusing cracking with fractional distillation
Act as my SS2 Chemistry tutor. Show me a worked answer on confusing cracking with fraction
Explain back: Writing a nuclear equation
I have just studied writing a nuclear equation in my SS2 Chemistry class. Let me explain i
Explain back: The soap and detergent industry in Nigeria
I have just studied the soap and detergent industry in Nigeria in my SS2 Chemistry class.
Spot my mistake: The errors most often made in third-term SS2 Chemistry
Act as my SS2 Chemistry tutor. Show me a worked answer on the errors most often made in th
Exam practice: Single, double and triple covalent bonds
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Calculation practice: Predicting a substance's structure from its properties
Act as my SS2 Chemistry tutor. Walk me through predicting a substance's structure from its
Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
You are my personal SS2 Chemistry tutor. Teach me oxidation defined by oxygen, by hydrogen
Quiz me: Recognising oxidation in a given equation
Act as my SS2 Chemistry tutor and quiz me on recognising oxidation in a given equation. As
Practice set: Assigning oxidation numbers in compounds and in ions
Act as my SS2 Chemistry tutor. Give me five practice questions on assigning oxidation numb
Teach me: Reduction defined, and always paired with oxidation
You are my personal SS2 Chemistry tutor. Teach me reduction defined, and always paired wit