The standard Gibbs free energy of formation of a compound is the change of Gibbs free energy that accompanies the formation of 1 mole of that substance from its component elements, at their standard states (the most stable form of the element at 25 degrees Celsius and 100 kilopascals).
Assuming you mean How much of the water on Earth is fresh water, about 5% of the water on the Earth is fresh water, as opposed to about 95% salt water. To anser your questioâ¦n directly though, 100% of the fresh water we know about is on Earth.
The total amount of fresh water on earth is a precious commodity, and although you might think thereâs plenty of it â when you comprehend the following statistics and put it in perspective, it may seem otherwiseâ¦ Only 0.000067 of the total water on earth is available on the surface as non-saline fresh water in our rivers, lakes, and streams.