Example: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 → 2NH3 SN2(g) 191.5 J/mol K SH2(g) 130.6 J/mol K о S NH3(g) 192.5 J/mol K • AH, N2(g) 0 kJ/mol о AH, H2(g) 0 kJ/mol о AH, NH3(g) -46.19 kJ/mol
Example: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 → 2NH3 SN2(g) 191.5 J/mol K SH2(g) 130.6 J/mol K о S NH3(g) 192.5 J/mol K • AH, N2(g) 0 kJ/mol о AH, H2(g) 0 kJ/mol о AH, NH3(g) -46.19 kJ/mol
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Chapter1: Chemical Foundations
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Example: What is the temperature range in which the following reaction is spontaneous?
N2 + 3H2 → 2NH3
Example: What is the temperature range in
which the following reaction is spontaneous?
N2 + 3H2 → 2NH3
S ̊ N2(g) = 191.5 J/mol·K
S ̊ H2(g) = 130.6 J/mol·K
S ̊ NH3(g) = 192.5 J/mol·K
ΔH ̊f N2(g) = 0 kJ/mol
ΔH ̊f H2(g) = 0 kJ/mol
ΔH ̊f NH3(g) = -46.19 kJ/mol
The image is the same as the written one.
Transcribed Image Text:Example: What is the temperature range in
which the following reaction is spontaneous?
N₂+ 3H2 → 2NH3
SN2(g) 191.5 J/mol K
SH2(g)
130.6 J/mol K
о
S NH3(g)
192.5 J/mol K
• AH, N2(g) 0 kJ/mol
о
AH, H2(g) 0 kJ/mol
о AH, NH3(g) -46.19 kJ/mol
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