Enthalpy Flashcards
Standard enthalpy change for formation
Change in enthalpThe enthalpy change that occurs when one mole of the compound is formed from its elements under standard conditions, and with everything in its standard state.
Standard enthalpy change of a reaction, ΔHor
The enthalpy change that occurs when equation quantities of materials react under standard conditions, and with everything in its standard state
Standard enthalpy change of combustion, ΔHoc
The enthalpy change that occurs when one mole of a compound is burned completely in oxygen under standard conditions, and with everything in its standard state
What is + or -
Peso expo is is -
Ends is +
When are atoms more stable
Other lower on the diagram
What does a bond do to energy in system
Lowers energy in system
Breaking and making bonds
Breaking is positive
Making is negative
What is enthalpy change
Amount of heat energy absorbed or released during a reaction
