Nitrogen (N2) is heated as it flows through a pipe is heated from There is no pressure change as the N2 flows through the pipe. Find the enthalpy change (Ah) of the N2 in kJ/kg: 600 K to 1000 K. N2 heated f/ T1 = 600 K to T2 = 1000 Ah = ??? c) using the gas tables (Table A-18) TABLE A-18 Ideal-gas properties of nitrogen, N T h 5 T h 5 K kJ/kmol kJ/kmol kJ/kmol.K K kJ/kmol kJ/kmol kJ/kmol.K 0 0 0 0 600 17,563 12,574 212.066 220 6,391 4,562 182.639 610 17,864 12,792 212.564 230 6,683 4,770 183.938 620 18,166 13,011 213.055 240 6,975 4,979 185.180 630 18,468 13,230 213.541 250 7,266 5,188 186.370 640 18,772 13,450 214.018 260 7,558 5,396 187.514 650 19,075 13,671 214.489 270 7,849 5,604 188.614 660 19,380 13,892 214.954 280 8,141 5,813 189.673 670 19,685 14,114 215.413 290 8,432 6,021 190.695 680 19,991 14,337 215.866 298 8,669 6,190 191.502 690 20,297 14,560 216.314 300 8,723 6,229 191.682 700 20,604 14,784 216.756 310 9,014 6,437 192.638 710 20,912 15,008 217.192 320 9,306 6,645 193.562 720 21,220 15,234 217.624 330 9,597 6,853 194.459 730 21,529 15,460 218.059 340 9,888 7,061 195.328 740 21,839 15,686 218.472 350 10,180 7,270 196.173 750 22,149 15,913 218.889 360 10,471 7,478 196.995 760 22,460 16,141 219.301 370 10,763 7,687 197.794 770 22,772 16,370 219.709 380 11,055 7,895 198.572 780 23,085 16,599 220.113 390 11,347 8,104 199.331 790 23,398 16,830 220.512 400 11,640 8,314 200.071 800 23,714 17,061 220.907 410 11,932 8,523 200.794 810 24,027 17,292 221.298 420 12,225 8,733 201.499 820 24,342 17,524 221.684 430 12,518 8,943 202.189 830 24,658 17,757 222.067 440 12,811 9,153 202.863 840 24,974 17,990 222.447 450 13,105 9,363 203.523 850 25,292 18,224 222.822 460 13,399 9,574 204.170 860 25,610 18,459 223.194 470 13,693 9,786 204.803 870 25,928 18,695 223.562 480 13,988 9,997 205.424 880 26,248 18,931 223.927 490 14,285 10,210 206.033 890 26,568 19,168 224.288 500 14,581 10,423 206.630 900 26,890 19,407 224.647 510 14,876 10,635 207.216 910 27,210 19,644 225.002 520 15,172 10,848 207.792 920 27,532 19,883 225.353 530 15,469 11,062 208.358 930 27,854 20,122 225.701 540 15,766 11,277 208.914 940 28,178 20,362 226.047 550 16,064 11,492 209.461 950 28,501 20,603 226.389 560 16,363 11,707 209.999 960 28,826 20,844 226.728 570 16,662 11,923 210.528 970 29,151 21,086 227.064 580 16,962 12,139 211.049 980 29,476 21,328 227.398 590 17,262 12,356 211.562 990 29,803 21,571 227.728