Enthalpy changes Flashcards
1
Q
The total chemical energy inside a substance is called the
A
enthalpy (or heat content
2
Q
When chemical reactions take place, changes in chemical energy take place and therefore the enthalpy changes
An enthalpy change is represented by the symbol
A
ΔH (Δ= change; H = enthalpy)
An enthalpy change can be positive or negative
3
Q
A