Lesson 3 - Thermochemical Equations and Enthalpy of Combustion Flashcards
1
Q
Energy is needed to break bonds in
A
Endothermic reactions
2
Q
Energy is released to create bonds in
A
Exothermic reactions
3
Q
Thermochemical Equations
A
Include the amount of energy in the balanced chemical equation
4
Q
ΔH notation
A
Lists the enthalpy change beside the chemical equation
5
Q
Enthalpy Diagrams
A
Helps visualize the relative energies of the reactants and products and show how the enthalpy changes through the reaction.
6
Q
ΔHcomb
A
Enthalpy of combustion is the enthalpy change that occurs during the combustion of 1 mol of “fuel”
7
Q
ΔHr =
A
ΔHr =n ΔH°comb
