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Thermodynamics filled in class notes_Part_73

# Thermodynamics filled in class notes_Part_73 - 5.2...

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Unformatted text preview: 5.2. STOICHIOMETRY 153 one has 4 H atoms in both the reactant and product sides and 2 O atoms in both the reactant and product sides. In this section stoichiometry will be systematized. Consider now a general reaction with N species. This reaction can be represented by N summationdisplay i =1 ν ′ i χ i ⇌ N summationdisplay i =1 ν ′′ i χ i . (5.11) Here χ i is the i th chemical species, ν ′ i is the forward stoichiometric coefficient of the i th reaction, and ν ′′ i is the reverse stoichiometric coefficient of the i th reaction. Both ν ′ i and ν ′′ i are to be interpreted as pure dimensionless numbers. In Equation (5.10), one has N = 3 species. One might take χ 1 = H 2 , χ 2 = O 2 , and χ 3 = H 2 O . The reaction is written in more general form as (2) χ 1 + (1) χ 2 + (0) χ 3 ⇌ (0) χ 1 + (0) χ 2 + (2) χ 3 , (5.12) (2) H 2 + (1) O 2 + (0) H 2 O ⇌ (0) H 2 + (0) O 2 + (2) H 2 O. (5.13) Here, one has ν ′ 1 = 2 , ν ′′ 1 = 0 , (5.14) ν ′ 2 = 1...
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Thermodynamics filled in class notes_Part_73 - 5.2...

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