The NRC<span> is headed by a five-member </span>Commission<span>. The President designates one member to serve as Chairman and official spokesperson. The </span>Commission<span> as a whole formulates policies and regulations governing </span>nuclear<span> reactor and materials safety, issues orders to licensees, and adjudicates legal matters brought before it.</span>
(Na2Cr2O7) all the numbers are bellow not over
The given example is a chemical reaction.
The contents (separated as reactants and products) :

The written reaction is :

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An ambient pressure of 1 atm
2H2 (g) + O2 (g) -->2H2 O(g)
mole ratio of H2:O2=2:1
7.25/2=3.625