What is the entropy of nitrogen?
What is the entropy of nitrogen?
Entropy of gas at standard conditions (298.15 K, 1 bar.)
| S°gas,1 bar (J/mol*K) | 191.609 ± 0.004 |
| Method | Review |
| Reference | Cox, Wagman, et al., 1984 |
| Comment | |
|---|---|
| CODATA Review value |
What is the enthalpy of nitrogen?
| Temp. [K] | Enthalpy [kJ/kmol] | Enthalpy [kJ/kmol] |
|---|---|---|
| 298 | 0 | |
| 300 | 54 | missing |
| 310 | 345 | 22115 |
| 320 | 637 | 22773 |
What is the entropy of no2?
Entropy of gas at standard conditions (298.15 K, 1 bar.)
| S°gas,1 bar (J/mol*K) | 240.04 |
| Method | Review |
| Reference | Chase, 1998 |
| Comment | |
|---|---|
| Data last reviewed in September, 1964 |
What is the change in enthalpy of N2?
The enthalpy change for the reaction N2(g) + 3H2(g) arrow 2NH3(g) is 92.2 kJ.
What is the enthalpy of oxygen?
Ideal Gas Enthalpy of Oxygen (O2) Enthalpy of Formation: 0 (kJ/kmol) Molecular Weight: 32 (kg/kmol)
| Temp. [K] | Enthalpy [kJ/kmol] | Enthalpy [kJ/kmol] |
|---|---|---|
| 330 | 938 | 11842 |
| 340 | 1234 | 12172 |
| 350 | 1531 | 12502 |
| 360 | 1829 | 12832 |
What is the entropy of oxygen?
205.15
Entropy of gas at standard conditions (298.15 K, 1 bar.)
| S°gas,1 bar (J/mol*K) | 205.15 |
| Method | Review |
| Reference | Chase, 1998 |
| Comment | |
|---|---|
| Data last reviewed in March, 1977 |
What is the enthalpy of formation of nitrogen at the standard reference state?
0 kJ/mol
The relevant standard enthalpy of formation values from Table 1 are: O2(g): 0 kJ/mol. NO(g): 90.25 kJ/mol. NO2(g): 33.18 kJ/mol….Introduction.
| Compound | ΔHfo |
|---|---|
| NO2(g) | 33.18 kJ/mol |
| N2O4(g) | 9.16 kJ/mol |
| SO2(g) | -296.8 kJ/mol |
| SO3(g) | -395.7 kJ/mol |
What is the entropy of O2?
205.0
Standard Entropy
| Table 20.2.1: Standard Entropy Values at 25oC | |
|---|---|
| Substance | So(J/K⋅mol) |
| H2(g) | 131.0 |
| O2(g) | 205.0 |
| H2O(l) | 69.9 |
What is the enthalpy of O2?
0
Ideal Gas Enthalpy of Oxygen (O2) Enthalpy of Formation: 0 (kJ/kmol) Molecular Weight: 32 (kg/kmol)
| Temp. [K] | Enthalpy [kJ/kmol] | Enthalpy [kJ/kmol] |
|---|---|---|
| 298 | 0 | |
| 300 | 54 | 47970 |
| 310 | 348 | 48712 |
| 320 | 643 | 49454 |
Which has greater entropy at 400k N2 or nh3?
n2 is a colourless , odourless and tasteless gas. nh3 is a colourless pungent smelling gas and also as in liquid state on shipping it with its own vapour pressure. therefore , n2 has greater entropy and nh3 has lesser entropy.
What is the enthalpy change of N2 3H2 → 2NH3?
-92.32 kJ
The enthalpy change for the reaction N2+3H2 gives 2NH3 is -92.32 kJ at 298 K.
What is the enthalpy of CO2?
-393.5 kJ/mol
The enthalpy of formation of carbon dioxide at 298.15K is ΔHf = -393.5 kJ/mol CO2(g).
