Endo. & Exo. Reactions Flashcards
1
Q
Define Energy
A
The total energy (or enthalpy) of a system is a total of the chemical energy stored in bonds (chemical potential energy) and the kinetic energy of the substance.
2
Q
For chemical reaction to occur.. What must happen between the atoms in the reactant and product?
A
The atoms in the reactant must be broken and new bonds between the atoms in the product must be formed.
3
Q
Breaking bonds ____ energy, forming bonds ____ energy. It is the difference between the energy that is ____ and energy that is ____ that determines the type of reaction.
A
Breaking bonds TAKES energy, forming bonds RELEASES energy. It’s is the difference between the energy that is RELEASED and the energy that is REQUIRED that determines the type of reaction.
