Propiedades fisicas de los gases

c_p = specific heat at constant pressure
c_v = specific heat at constant volume

Name of Gas	Chemical Formula or Symbol	Approx. Molecular Weight M	Weight Density, Pounds per Cubic Foot p	Specific Gravity Relative to Air S_g	Individual Gas Constant R	Specific Heat at Room Temperature Btu/Lb °F		Heat Capacity per Cubic Foot		k equal to c_p/c_v
Name of Gas	Chemical Formula or Symbol	Approx. Molecular Weight M	Weight Density, Pounds per Cubic Foot p	Specific Gravity Relative to Air S_g	Individual Gas Constant R	c_p	c_v	c_p	c_v	k equal to c_p/c_v
Acetylene (ethyne)	C₂H₂	26.0	.0682	0.907	59.4	0.350	0.269	.0239	.0184	1.30
Air	--	29.0	.0752	1.000	53.3	0.241	0.172	.0181	.0129	1.40
Ammonia	H₃N	17.0	.0448	.0596	91.0	0.523	0.396	.0234	.0178	1.32
Argon	Ar	39.9	.1037	1.379	38.7	0.124	0.074	.0129	.0077	1.67
Butane	C₄H₁₀	58.1	.1554	2.067	26.5	0.395	0.356	.0614	.0553	1.11
Carbon dioxide	CO₂	44.0	.1150	1.529	35.1	0.205	0.158	.0236	.0181	1.30
Carbon monoxide	CO	28.0	.0727	0.967	55.2	0.243	0.173	.0177	.0126	1.40
Chlorine	Cl	70.9	.1869	2.486	21.8	0.115	0.086	.0215	.0162	1.33
Ethane	C₂H₆	30.0	.0789	1.049	51.5	0.386	0.316	.0305	.0250	1.22
Ethylene	C₂H₄	28.0	.0733	0.975	55.1	0.400	0.329	.0293	.0240	1.22
Helium	He	4.0	.01039	0.1381	386.3	1.250	0.754	.0130	.0078	1.66
Hydrogen chloride	HCl	36.5	.0954	1.268	42.4	0.191	0.135	.0182	.0129	1.41
Hydrogen	H	2.0	.00523	0.0695	766.8	3.420	2.426	.0179	.0127	1.41
Hydrogen sulphide	H₂S	34.1	.0895	1.190	45.2	0.243	0.187	.0217	.0167	1.30
Methane	CH₄	16.0	.0417	0.554	96.4	0.593	0.449	.0247	.0187	1.32
Methyl chloride	CH₃Cl	50.5	.1342	1.785	30.6	0.240	0.200	.0322	.0268	1.20
Natural gas	--	19.5	.0502	0.667	79.1	0.560	0.441	.0281	.0221	1.27
Nitric oxide	NO	30.0	.0780	1.037	51.5	0.231	0.165	.0180	.0129	1.40
Nitrogen	N	28.0	.0727	0.967	55.2	0.247	0.176	.0180	.0127	1.41
Nitrous oxide	N₂O	44.0	.1151	1.530	35.1	0.221	0.169	.0254	.0194	1.31
Oxygen	O	32.0	.0831	1.105	48.3	0.217	0.155	.0180	.0129	1.40
Propane	C₃H₈	44.1	.1175	1.562	35.0	0.393	0.342	.0462	.0402	1.15
Propene (propylene)	C₃H₆	42.1	.1091	1.451	36.8	0.358	0.314	.0391	.0343	1.14
Sulphur dioxide	SO₂	64.1	.1703	2.264	24.0	0.154	0.122	.0262	.0208	1.26