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barxatty [35]
3 years ago
7

Benefits of using n2o as a refrigerant.

Chemistry
1 answer:
Murrr4er [49]3 years ago
5 0
Mexican Texas<span> is the historiographical name used to refer to the era of </span>Texan<span> history between 1821 and 1836, </span>when it was part<span> of </span>Mexico<span>. </span>Mexico gained independence<span> from Spain in 1821 in </span>its war<span> of</span>independence<span>. Initially, </span>Mexican Texas<span> operated very similarly to Spanish </span>Texas<span>.</span>
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Consider the reaction 3CH4(g)→C3H8(g)+2H2(g).
padilas [110]

From the calculations performed, the free energy change for the reaction is 72 kJ/mol.

<h3>What is the equilibrium constant?</h3>

The equilibrium constant is a value that shows the extent to which reactants have been converted to products.

Given that the equation of the reaction is;

3CH4(g)→C3H8(g)+2H2(g)

Then;

PC3H8 = 0.013 atm

PH2 =  2.3×10−2 atm

PCH4 = 41 atm

Now;

ΔG = ΔG° + RTlnQ

ΔG°reaction = ΔG°products - ΔG°reactants

ΔG°reaction = [( -23.4) +2(0)] - 3(-50.8)

ΔG°reaction = 129 kJ/mol

Q = PC3H8 * PH2^2/PCH4^3

Q = 0.013 * (2.3×10−2)^2/( 41)^3

Q = 6.877 * 10^-6/68921

Q= 9.9* 10^-11

Hence;

ΔG = 129 * 10^3  + [8.314 * 298 * (ln  9.9* 10^-11 )]

ΔG = 129 * 10^3 - 57073

ΔG = 72 kJ/mol

Learn more about free energy change: brainly.com/question/14143095

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