Equations of ideal gas c cp~T TABLE A-21 Moran Variation of Cp with Temperature for Selected Ideal Gases a BT +yT+6T)e Those curves fitted to R Tis in K,equations valid from 300 to 1000 K several gases, Gas B×103 y×10s 6×109 e×102 Equations CO 3.710 -1.619 3.692 -2.032 0.240 300<T<1000K C0 2.401 8.735 -6.607 2.002 0 3.057 2.677 -5.810 5.521 -1.812 H20 4.070 -1.108 4.152 -2.964 0.807 2R 0 3.626 -1.878 7.055 -6.764 2.156 =a+BT+yT2+6T3+εT4 N2 3.675 -1.208 2.324 -0.632 -0.226 r 3.653 -1.337 3.294 -1.913 0.2763 502 3.267 5.324 0.684 -5.281 2.559 In Moran's book CHa 3.826 -3.979 24.558 -22.733 6.963 CxHz 1.410 19.057 -24.501 16.391 -4.135 Constants:M Tab A-21 CaHa 1.426 11.383 7.989 -16.254 6.749 Monatomic gasesa 2.5 0 0 TABLE A-2 Cengel Ideal-gas specific heats of various common gases (Conc/uded) C,=a+bT+cT2+dT (c)As a function of temperature Cp=a+bT+cT2+dT3 (T in K,c in kJ/kmol-K) Constants:C_Tab A-2 7o errur Temperature- Substance Formula a b d range,K Max.Avg. Nitrogen N2 28.90 -0.1571×10-2 0.8081×10-5 -2.873×10-9 273-1800 0.59 0.34 Oxygen 25.48 1.520×10-2 -0.7155×10-5 1.312×10-9 273-1800 1.19 0.28 Air 28.11 0.1967×102 0.4802×10-5 -1.966×109 273-1800 0.72 0.33 Hydrogen H2 29.11 0.1916×10-2 0.4003×10-5 -0.8704×10-9 273-1800 1.01 0.26 Carbon monoxide co 28.16 0.1675×10-2 0.5372×10-5 -2.222×109 273-1800 0.89 0.37 Carbon dioxide C02 22.26 5.981×10-2 -3.501×10-5 7.469×10-9 273-1800 0.670.22 Water vapor H20 32.24 0.1923×10-2 1.055×10-5 -3.595×10-9 273-1800 0.530.24 Nitric oxide NO 29.34-0.09395×10-2 0.9747×10-5 -4.187×10-9 10 273-1500 0.970.36March 19, 2019 10 Equations of ideal gas cv , cp~ T Equations several gases, 300 <T < 1000 K Those curves fitted to In Moran’s book Moran Constants: C_Tab A-2 2 3 c p  a  bT  cT  dT Cengel Constants: M_Tab A-21