Energetics Flashcards
1
Q
Enthalpy change definition
A
The heat energy transferred in a reaction at constant pressure
2
Q
Give two examples of exothermic reactions
A
Combustion and respiration
3
Q
Give two examples of endothermic reactions
A
Thermal decomposition and photosynthesis
4
Q
Standard enthalpy of formation
A
Enthalpy change when one mile of a compound is formed from its elements in standard states under standard conditions
5
Q
Standard enthalpy of combustion
A
Enthalpy change when one mole of a compound is completely burned in oxygen under standard conditions
6
Q
Standard conditions
A
100kPa
298K
