Thermochemistry Flashcards
1
Q
Exothermic reaction
A
Reaction that releases energy to the surroundings,
There is a temperature rise,
Enthalpy change is negative
2
Q
Endothermic reaction
A
Reaction that takes in energy from the surroundings,
There is a temperature drop,
Enthalpy change is positive
3
Q
Principle of conservation of energy
A
The total energy of the whole system of reacting chemicals and surrounds is constant
