One kilogram of R134a is heated in a constant volume container from the critical point to 450 K. How much energy is transferred as heat to the fluid? Use the diagrams or data in Appendix A.4.

Data From A.4

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T/ K 200 204 h¹V / hv / s¹/ LV 282 286 psat / ¹/ UV /h¹/ SLV / SV/ MPa m³/kg m³/kg kJ/kg kJ/kg kJ/kg kJ/(kg K) kJ/(kg .K) kJ/(kg .K) -314.59 241.67-72.92 -1.3 1.2083 -0.0721 -310.16 239.79-70.37 -1.2585 1.1754 -0.0831 0.006566 0.000679 2.473 0.008784 0.000683 1.884 208 0.01160 0.000687 1.453 -305.68 237.89-67.79-1.2368 1.1437 212 0.01513 -301.17 235.97-65.20 -1.2153 1.1131 216 0.01950 0.000691 1.134 0.000696 0.8944 -296.62 234.02-62.59 -1.1941 1.0834 0.000700 0.7127 -292.02 232.05-59.97 -1.1730 1.0548 220 0.02488 224 0.03141 0.000705 0.5734-287.37 230.04-57.33 -1.1521 1.0270 228 0.03928 232 0.04869 0.05984 236 0.1918 0.000710 0.4655 -282.68 228.00 -54.68 -1.1314 1.0000 0.000715 0.3810 -277.95 225.92-52.02 -1.1108 0.9738 0.000720 0.3143 -273.16 223.80-49.36-1.0904 0.9483 240 0.07296 0.000726 0.2612 -268.32 221.62 -46.70-1.0701 0.9234 244 0.08829 0.000732 0.2185 -263.44 219.40-44.04 -1.0499 0.8992 246.99 0.101325 0.000737 0.1920 -259.76 217.70-42.05 -1.0350 0.8814 250 0.1160 0.000741 0.1692 -256.01 215.95 -40.06-1.0199 0.8638 254 0.1380 0.000748 0.1437 -250.99 213.58 -37.41 -1.0001 0.8409 258 0.1632 0.000755 0.1227 -245.92 211.14-34.78 -0.9804 0.8184 262 0.000762 0.1053 -240.79 208.63 -32.16 -0.9607 0.7963 266 0.2242 0.000770 0.09078 -235.60 206.03-29.56 -0.9411 0.7746 270 0.000778 0.07861-230.35 203.36 -26.99 -0.9217 0.7532 274 0.3017 0.000787 0.06834 -225.03 200.59-24.44 -0.9022 0.7321 278 0.3476 0.000796 0.05963 -219.65 197.71-21.93 -0.8829 0.7112 0.000806 0.05222 -214.19 194.73-19.46 -0.8635 0.6905 0.000816 0.04587 -208.66 191.63-17.03 -0.8442 0.6700 290 0.5177 0.000827 0.04041 -203.04 188.40-14.64 -0.8249 0.6497 294 0.5866 0.000838 0.03570-197.34 185.03-12.31 -0.8055 0.6294 298 0.6623 0.000851 0.03161-191.55 181.51 -10.04 -0.7862 0.6091 302 0.7451 0.000864 0.02805 185.66 177.82 -7.84 -0.7668 0.5888 0.2607 0.3986 0.4551 -0.0931 -0.1023 -0.1106 -0.1182 -0.1251 -0.1313 -0.1370 -0.1421 -0.1467 -0.1508 -0.1536 -0.1561 -0.1592 -0.1620 -0.1644 -0.1666 -0.1685 -0.1702 -0.1717 -0.1730 -0.1742 -0.1752 -0.1762 -0.1771 0.1780