chapter 16 - chemical energetics Flashcards
1
Q
define bond energy
A
bond energy is the amount of energy absorbed to break one mole of a chemical bond
it is also the amount of energy released when one mole of that bond is formed
2
Q
define activation energy
A
activation energy is the minimum amount of energy that colliding reactant particles must possess to react with each other
3
Q
define enthalpy change
A
enthalpy change measures the difference in energy content of the reactants and products
4
Q
define endothermic change
A
reaction or process that absorb thermal energy from the surroundings
5
Q
define exothermic change
A
reaction or process that releases thermal energy from the surroundings
6
Q
A
