Energetics Flashcards
(7 cards)
1
Q
Define Enthalpy of Formation
A
The enthalpy change when one mol of a substance is produced from its elements under standard condition
2
Q
Define Enthalpy of Combustion
A
The enthalpy change when one mol of a substance is burned completely in oxygen under standard conditions
3
Q
State the equation for Energy Change
A
Q=mc delta T
4
Q
State the equation for Enthalpy Change
A
Delta H = q/mols x 1000
5
Q
Define Specific Heat Capacity
A
The energy required to increase the temperature of 1g of a substance by 1K without changing its state
6
Q
Define Mean Bond Enthalpy
A
The energy required to break one mol of a stated bond in its gaseous state under standard conditions
7
Q
What are the Standard Conditions for Enthalpy Change
A
- 100kPa
- 298K
