238 prompts matching "Giving an exothermic change a positive enthalpy"
Teach me: Enthalpy and the enthalpy change of a reaction
You are my personal SS2 Chemistry tutor. Teach me enthalpy and the enthalpy change of a re
Quiz me: Exothermic and endothermic changes distinguished
Act as my SS2 Chemistry tutor and quiz me on exothermic and endothermic changes distinguis
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
Calculation practice: Using Hess's law to find an unknown enthalpy change
Act as my SS2 Chemistry tutor. Walk me through using Hess's law to find an unknown enthalp
Calculation practice: Working out the change in oxidation number
Act as my SS2 Chemistry tutor. Walk me through working out the change in oxidation number
Explain back: The standard enthalpy of formation
I have just studied the standard enthalpy of formation in my SS2 Chemistry class. Let me e
Quiz me: The factors that change the rate of a reaction
Act as my SS2 Chemistry tutor and quiz me on the factors that change the rate of a reactio
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
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
Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
Quiz me: The formation of an ionic bond in sodium chloride
Act as my SS2 Chemistry tutor and quiz me on the formation of an ionic bond in sodium chlo
Explain back: The lattice structure of an ionic compound
I have just studied the lattice structure of an ionic compound in my SS2 Chemistry class.
Exam practice: Single, double and triple covalent bonds
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
Calculation practice: Working out the formula of an ionic compound from its charges
Act as my SS2 Chemistry tutor. Walk me through working out the formula of an ionic compoun
Real-life Nigeria: The properties of ionic and covalent compounds compared
Act as my SS2 Chemistry tutor. Show me where the properties of ionic and covalent compound
Teach me: The metallic bond and the delocalised electrons
You are my personal SS2 Chemistry tutor. Teach me the metallic bond and the delocalised el
Explain back: Malleability and ductility in terms of structure
I have just studied malleability and ductility in terms of structure in my SS2 Chemistry c
Practice set: Giant structures and simple molecular structures compared
Act as my SS2 Chemistry tutor. Give me five practice questions on giant structures and sim
Exam practice: The structures of diamond, graphite and silica
Act as my SS2 Chemistry teacher setting exam questions. Give me five exam-style questions
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