Zusammenfassung der Ressource
Energy and chemical change
Anmerkungen:
- energy cannot be created or destroyed it can only change form
- there are two main types of chemical reactions
- energy changes occur during chemical reaction
- endothermic reaction
- a reaction in which energy is absorbed
- change in enthalpy is negative
- an example of this is respiration
- this is the process through which cells obtain energy from organic compounds
- another example is combustion of fuels