State functions include density, internal energy, enthalpy, entropy. Such a relation cannot be written for path functions, especially since these cannot be defined for the limiting states. Path functions depend on the route taken between two states. Two examples of path functions are heat and work.
<span>When electrons are excited they get more energy and jump to higher orbitals. As they loose that energy that had excited them in the beginning, they tend to return to their original orbitals and the color that is given off is when this is occurring. </span>
<span>2Na + Cl2 => 2NaCl
1 mol Na + 0.5 mol Cl2 => 1 mol NaCl</span>
Benzene and oil are related to organic chemistry branch.
Organic chemistry mostly deals with hydrocarbons (benzene is made from hydrocarbons)
Therefore, the chemist that uses benzene to make a new type of plastic is an organic chemist.
