Module 3: Section 2 Physical chemistry Flashcards
1
Q
Define standard enthalpy of formation
A
Enthalpy change when 1 mole of a compound is formed from its elements in there standard states under standard conditions
2
Q
Define standard enthalpy change of combustion
A
Enthalpy change when 1 mole of a substance is completely burned in oxygen under standard conditions
3
Q
Explain activation energy
A
Minimum amount of kinetic energy particles need to react
4
Q
Name 4 factors that affect the rate of a reaction
A
Temperature
Pressure
Concentration
Catalyst
5
Q
What is a catalyst?
A
Increases the rate of a reaction by provising an alternative reaction pathway with a lower activation energy
6
Q
If the equilibrium moves to the right do you get more product or reactant?
A
Product
