137 prompts matching "Calculating enthalpy change from enthalpies of formation"
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
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
Calculation practice: Calculating the mass of metal obtainable from an ore
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of metal obtainable fr
Calculation practice: Calculating the volume of a gas from a given mass
Act as my SS2 Chemistry tutor. Walk me through calculating the volume of a gas from a give
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
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: Calculating rate from a graph of concentration against time
Act as my SS2 Chemistry tutor. Walk me through calculating rate from a graph of concentrat
Calculation practice: Calculating the mass of fertiliser from a mass of ammonia
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of fertiliser from a m
Calculation practice: Calculating the mass of iron from a mass of ore
Act as my SS2 Chemistry tutor. Walk me through calculating the mass of iron from a mass of
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
Practice set: The formation of a covalent bond in a simple molecule
Act as my SS2 Chemistry tutor. Give me five practice questions on the formation of a coval
Practice set: The standard enthalpies of combustion and of neutralisation
Act as my SS2 Chemistry tutor. Give me five practice questions on the standard enthalpies
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
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
Calculation practice: Calculating pH from hydrogen ion concentration
Act as my SS2 Chemistry tutor. Walk me through calculating pH from hydrogen ion concentrat
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
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
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.
Calculation practice: Calculating the products of complete combustion
Act as my SS2 Chemistry tutor. Walk me through calculating the products of complete combus