What is an Independent Variable (IV)? *

Chemistry

1 answer:

worty [1.4K]3 years ago

8 0

here's your answer dear friend❤❤

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In the balanced reaction below, what is the mole ratio comparing iron (Fe) and oxygen gas (O2)?

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The given balanced reaction is,

$4Fe(s) + 3O_{2}(g) --->2Fe_{2}O_{3} (s)$

The stoichiometric coefficients of each element or compound represents the number of moles of that element or compound required for the complete reaction to take place.

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Read 2 more answers

Iron(II) sulfide has a primitive cubic unit cell with sulfide ions at the lattice points.

masya89 [10]

We have that the the density of FeS is mathematically given as

$\phi=2.56h/cm^3$

From the question we are told

Iron(II) sulfide has a primitive <em>cubic</em> unit cell with <em>sulfide</em> ions at the <em>lattice points.</em>

The ionic radii of iron(II) ions and sulfide ions are 88 pm and 184 pm, respectively.

What is the density of FeS (in g/cm3)?

<h3>Density</h3>

Generally the equation for the Velocity is mathematically given as

$V_c=a^3=(2\pi Fe^{2+}+2\pi S^{2-})^3\\\\Therefore\\\\V=a^3(2\pi*0.088+2\pi 0.184)^3\\\\V=16.98*10^{-23}\\\\Therefore\\\\\phi=n\frac{PFeion+PSion}{VNa}\\\\\phi=3*\frac{55.85+32}{16.9*10^{-23}*6.023*10^{23}}$