Using the table provided, what is the enthalpy for the reaction shown below: N₂(g) + 4H₂(g) + I2(g) → 2NH3(g) + 2HI(g)

Chemistry by OpenStax (2015-05-04)
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 69E: Using the data in Appendix G, calculate the standard enthalpy change for each of the following...
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I don't reallt understand. I know I'm supposed to switch the sign but I don't see that reaction on the table. Keep in mind sig figs too. TYSM :)

Using the table provided, what is the enthalpy for the reaction shown below:
N₂(g) + 4H₂(g) + I2(g) → 2NH3(g) + 2HI(g)
Transcribed Image Text:Using the table provided, what is the enthalpy for the reaction shown below: N₂(g) + 4H₂(g) + I2(g) → 2NH3(g) + 2HI(g)
Reaction
CH4(g) + 202 (g) → CO2(g) + 2H2O(1)
C3H8(g) + 502(g) → 3CO2(g) + 2H2O(1)
C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(1)
C(s) + O2(g) → CO2(g)
2CO(g) + O2(g) → 2CO2(g)
2H2(g) + O2(g) → 2H2O(g)
2H2(g) + O2(g) → 2H2O(l)
N2(g) + 202(g) → 2NO2(g)
N2(g) + O2(g) → 2NO(g)
N2(g) + 3H2(g) → 2NH3(g)
H2(g) + 12(g) → 2HI(g)
Enthalpy (kJ/mol)
-890.4
-2219.2
-2804
-393.5
-566.0
-483.6
-571.6
66.4
182.6
-91.8
53.0
Transcribed Image Text:Reaction CH4(g) + 202 (g) → CO2(g) + 2H2O(1) C3H8(g) + 502(g) → 3CO2(g) + 2H2O(1) C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(1) C(s) + O2(g) → CO2(g) 2CO(g) + O2(g) → 2CO2(g) 2H2(g) + O2(g) → 2H2O(g) 2H2(g) + O2(g) → 2H2O(l) N2(g) + 202(g) → 2NO2(g) N2(g) + O2(g) → 2NO(g) N2(g) + 3H2(g) → 2NH3(g) H2(g) + 12(g) → 2HI(g) Enthalpy (kJ/mol) -890.4 -2219.2 -2804 -393.5 -566.0 -483.6 -571.6 66.4 182.6 -91.8 53.0
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