Energy Changes and Fuels Flashcards
1
Q
What is enthalpy?
A
The heat content that is stored in a chemical system
2
Q
What is an exothermic reaction?
A
A reaction where the enthalpy of the products is smaller than the enthalpy of the reactants
3
Q
what is an endothermic reaction?
A
A reaction in which the enthalpy of the products is greater than the enthalpy of the reactants
4
Q
What does an energy profiel diagram show?
A
It shows the comparison between the enthalpy of the products with the enthalpy of the reactants