Gasoline is a mixture of the alkanes and unlike many chemicals, can be stored for long periods and transported without problem. It is only when ignited that it has enough energy to continue reacting. This property makes it difficult for alkanes to be converted into other types of organic molecules.
Recovery from being spayed is usually around 10 days. My kitten was back to her usual self in three days but it took 10 days for the incision to heal enough for the stitches to come out.
Spaying is considered a safe surgery, but complications still occur. Consult your vet if she exhibits depression, lethargy or weakness lasting longer than 24 hours. Other signs of an abnormal recovery include difficulty breathing, pale gums and a reduced or increased body temperature.