Topic 5: Potential Energy Diagrams

Question 1

Examples that absorb heat:

Answer 1

Cooking
Photosynthesis
Instant cold packs

Question 2

What is the activation complex?

Answer 2

The amount of energy required to produce the activated complex
An unstable particle that occurs at the transition state

Question 3

What is enthalpy ( )

Answer 3

(H)
The heat content or total energy possessed by the particles in a system
Energy released or absorbed by a reaction is called the change in enthalpy, (triangle)H, or heat of reaction

Question 4

Heat of reaction = _______ - ________

Answer 4

Enthalpy = H products - H reactants

Question 5

Reactants are on the _____ of the graph, products are on the ______ of the graph

Answer 5

Left
Right