3.1.4 Energetics Flashcards
1
Q
What are the standard conditions for enthalpy change?
A
Temperature = 298K
Pressure = 100kPa
Standard amount = 1 mole
2
Q
What is the definition of enthalpy change?
A
change in heat energy at a constant pressure.
3
Q
What is the standard enthalpy change of combustion/_\ Hc?
A
enthalpy change when one mole of a substance is completely burned in oxygen under standard state conditions and all reactants and products are in their standard states.
4
Q
What is the standard enthalpy change of formation/_\ Hf?
A
The enthalpy change when one mole of a compound is formed from it’s elements under standard conditions and all reactants and products are in their standard states.
