Why isn't the 4 from phosphorous taken down into the equation? Why is four able to stay? Is there a certain rule you use to help you solve these problems and make it easy to remember? How come the 2H becomes now H2 wasn't it already factored out ?
Ideal and Real Gases
Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,
Gas Laws
Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries were made by Charles, Gay-Lussac, Avogadro, and others. Eventually, these observations were combined to produce the ideal gas law.
Gaseous State
It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed forms of matter studied are solids, gases and liquids. The best example of a substance that is present in different states is water. It is solid ice, gaseous vapor or steam and liquid water depending on the temperature and pressure conditions. This is due to the difference in the intermolecular forces and distances. The occurrence of three different phases is due to the difference in the two major forces, the force which tends to tightly hold molecules i.e., forces of attraction and the disruptive forces obtained from the thermal energy of molecules.
Why isn't the 4 from phosphorous taken down into the equation? Why is four able to stay? Is there a certain rule you use to help you solve these problems and make it easy to remember?
How come the 2H becomes now H2 wasn't it already factored out ?
The formula of phosphate ion and hydrogen ion are
phosphate ion = PO43-
Hydrogen ion = H+
Since the formula of phosphate ion is itself PO43-
Hence we can never change the formula of ions while writing the formula of compound.
Hence the 4 stays with O only.
And since we have taken di-hydrogen, hence it means 2 H+ ions
Hence the coefficient of H is 2
And while writing the formula of the compound, we taken the coefficient into the denominator always.
Hence it becomes (H)2 which can be written as H2 as it is single element.
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