The answer for the equation given is 1.743488.
<h3>Equation :</h3>
10,000/ 5,735.63 = 1.743488.
<h3>How are units labeled?</h3>
Use standardized unit abbreviations. For clarity, place units of before nonstandard units, such as (a) (units of a). When separating the components of a compound unit, use short spaces rather than hyphens, dots, or other symbols. For numbers on figure axes, use superscripts, multiplication signs, and powers of 10.
<h3>What is label in math means?</h3>
A graph labelling is the process of assigning labels, which are typically represented by integers, to the edges and/or vertices of a graph in the field of mathematics known as graph theory.
To know more about graph theory :
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Windmills producing energy
Answer:
1.95mol
Explanation:
First let us generate the equation for the reaction:
2H2 + O2 —> 2H2O
From the equation,
1mole of O2 reacted to produce 2moles of H2O.
Therefore, Xmol of O2 will react to produce 3.9 mol of H2O i.e
Xmol of O2 = 3.9/2 = 1.95mol
Pure substances that cannot be broken down into other substances by any chemical or physical means are known as element.
Pure substances that can be broken down into elements by any chemical or physical means are known as compounds.
Combination of pure substances in which they retain their properties is known as mixture.
Mixtures in which the components of mixture are uniformly distributed are known as homogeneous mixture whereas mixtures in which its components are can be easily seen are known as heterogeneous mixture.
Since propane, 
is made up of two different elements that is carbon, 
and hydrogen, 
. There are 3 carbon and 8 hydrogen atoms present in the propane molecule.
So, it is a compound.
