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An Inquiry Concerning the Source of the Heat Which Is Excited by Friction

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1845: 1975:: "Heat, is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot: so what in our sensation is heat, in the object is nothing but motion. This appears by the way, whereby heat is produc'd: for we see that the rubbing of a brass-nail upon a board, will make it very hot; and the axle-trees of carts and coaches are often hot, and sometimes to a degree, that it sets them on fire, by rubbing of the nave of the wheel upon it." 1914:"Before I finish this paper, I would beg leave to observe, that although, in treating the subject I have endeavoured to investigate, I have made no mention of the names of those who have gone over the same ground before me, nor of the success of their labours; this omission has not been owing to any want of respect for my predecessors, but was merely to avoid prolixity, and to be more at liberty to pursue, without interruption, the natural train of my own ideas." 42: 1612: 1655: 1997:
From the footnotes on p. 84 of Rumford's paper of 1798: "For fear I should be suspected of prodigality in the prosecution of my philosophical researches, I think it necessary to inform the Society, that the cannon I made use of in this experiment was not sacrificed to it. The short hollow cylinder
1949:: "The impulse given by the stroke, being unable either to drive the nail further on, or destroy its interness , must be spent in making various vehement and intestine commotion of the parts among themselves, and in such an one we formerly observed the nature of heat to consist." 1998:
which was formed at the end of it, was turned out of a cylindrical mass of metal, about 2 feet in length, projecting beyond the muzzle of the gun, called in the German language the verlorner kopf, (the head of the cannon to be thrown away) and which is represented in fig. 1."
1817:, and this section was removed and discarded later in the manufacturing process. Rumford took an unfinished cannon and modified this section to allow it to be enclosed by a watertight box while a blunted boring tool was used on it. He showed that water in this box could be 2247:
Experiments, notes, &c., about the mechanical origine or production of divers particular qualities: Among which is inserted a discourse of the imperfection of the chymist's doctrine of qualities; together with some reflections upon the hypothesis of alcali and
2497: 1944:
At the conclusion of Experiment VI, Boyle notes that if a nail is driven completely into a piece of wood, then further blows with the hammer cause it to become hot as the hammer's force is transformed into random motion of the nail's atoms. From
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within roughly two and a half hours, and that the supply of frictional heat was seemingly inexhaustible. Rumford confirmed that no physical change had taken place in the material of the cannon by comparing the
1864:, believed that there was enough uncertainty in the caloric theory to allow its adaptation to account for the new results. It had certainly proved robust and adaptable up to that time. Furthermore, Thomson, 1829:
Rumford also argued that the seemingly indefinite generation of heat was incompatible with the caloric theory. He contended that the only thing communicated to the barrel was motion.
1962:: "Now Heat, as I shall afterward prove, is nothing but the internal Motion of the Particles of Body; and the hotter a Body is, the more violently are the Particles moved." 1166: 1111: 1056: 863: 816: 731: 684: 596: 549: 1641: 767: 635: 1001: 1342: 500: 1230: 839: 792: 707: 660: 572: 525: 464: 1320: 17: 1353: 923: 1757:
In his 1798 paper, Rumford acknowledged that he had predecessors in the notion that heat was a form of motion. Those predecessors included
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could be indefinitely generated by friction. No educated scientist of the time was willing to hold that electricity was not a fluid.
1405: 1379: 900: 354: 1988:: "I think Sir Isaac Newton's opinion, that heat consists in the internal motion of the particles of bodies, much the most probable." 2458: 306: 1458: 1722:
of heat. His views were out of step with the accepted science of the time and the latter theory had particularly been attacked by
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of heat which held that heat is a fluid that could be neither created nor destroyed. He had further developed the view that all
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in the 1840s. Joule's more exact measurements were pivotal in establishing the kinetic theory at the expense of caloric.
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and it is likely that he wished to grant water a privileged and providential status in the regulation of human life.
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in 1798. The paper provided a substantial challenge to established theories of heat, and began the 19th century
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Henry, W. (1802). "A review of some experiments which have been supposed to disprove the materiality of heat".
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In his Novum Organum, Francis Bacon concludes that heat is the motion of the particles composing matter. From
2492: 2482: 2266:"Observations on Mr. Hutchins's Experiments for Determining the Degree of Cold at Which Quicksilver Freezes" 1865: 1857: 1745: 1727: 1615: 1443: 1240: 943: 882: 418: 407: 73: 1844: 1806: 1790: 1548: 1468: 1265: 349: 103: 78: 1946: 1483: 1060: 373: 219: 68: 2277: 1895: 1734: 1563: 1488: 1478: 278: 152: 140: 1508: 1503: 1270: 292: 258: 253: 166: 2355:
A collection of several pieces of Mr. John Locke, never before printed, or not extant in his works
2420: 2385: 2301: 2293: 1597: 1260: 1208: 1121: 1066: 1011: 440: 424: 311: 263: 248: 238: 47: 41: 2398: 1935:: "Heat is not a uniform Expansive Motion of the whole, but of the small particles of the body." 1931:: "The very essence of Heat, or the Substantial self of Heat, is motion and nothing else." From 1255: 845: 798: 713: 666: 578: 531: 2454: 1972: 1959: 1891:
of Rumford's results and it is possible to see the whole experiment as somewhat tendentious.
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An Experimental Enquiry Concerning the Source of the Heat which is Excited by Friction
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Ultimately, Rumford's claim of the "inexhaustible" supply of heat was a reckless
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Rumford made no attempt to further quantify the heat generated or to measure the
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Locke, J. (1720) . "Elements of natural philosophy". In Des Maizeaux, P. (ed.).
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Works originally published in Philosophical Transactions of the Royal Society
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From Watt to Clausius: The Rise of Thermodynamics in the Early Industrial Age
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Haldat, C.N.A. (1810). "Inquiries concerning the heat produced by friction".
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From Watt to Clausius: The rise of thermodynamics in the early industrial age
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An Inquiry Concerning the Source of the Heat Which Is Excited by Friction
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Novum organum: Or true suggestions for the interpretation of nature
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of the material machined away and that remaining were the same.
1813:
with an extra section of metal forward of what would become the
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An Experimental Enquiry into the Nature and Propagation of Heat
2245:
Boyle, R. (1675). "Of the mechanical origin of heat and cold".
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Hooke, R. (1705) . "Lectures of light". In Waller, R. (ed.).
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History of thermodynamics § Heat and friction (Rumford)
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Philosophical Transactions of the Royal Society of London
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Philosophical Transactions of the Royal Society of London
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Philosophical Transactions of the Royal Society of London
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Benjamin Thompson § Mechanical equivalent of heat
1124: 1069: 1014: 974: 848: 827: 801: 780: 752: 716: 695: 669: 648: 617: 581: 560: 534: 513: 485: 1744:, there is no evidence that he was committed to the 1740:Though Rumford was to come to associate heat with 1160: 1105: 1050: 995: 857: 833: 810: 786: 761: 725: 701: 678: 654: 629: 590: 566: 543: 519: 494: 2434:Encyclopædia Britannica, Supplement on chemistry 1688:Philosophical Transactions of the Royal Society 1894:However, the experiment inspired the work of 1635: 8: 1642: 1628: 1191: 343: 162: 40: 29: 27:1798 scientific paper by Benjamin Thompson 2414: 2379: 2155: 1123: 1068: 1013: 973: 847: 826: 800: 779: 751: 715: 694: 668: 647: 616: 580: 559: 533: 512: 484: 2218: 2170: 2083: 2071: 2059: 2035: 2023: 1887:made some penetrating criticisms of the 2016: 1907: 1388: 1365: 1319: 1279: 1229: 1194: 387: 362: 291: 218: 165: 32: 2206: 2047: 1733:Rumford was heavily influenced by the 2182: 2140: 2125: 2113: 2098: 1856:Most established scientists, such as 7: 2339:. Samuel Smith and Benjamin Walford. 2337:The posthumous works of Robert Hooke 1848:Joule's apparatus for measuring the 2194: 1927:"Heat appears to be Motion." From 849: 802: 717: 670: 582: 535: 355:Intensive and extensive properties 25: 1684:Benjamin Thompson, Count Rumford 1611: 1610: 930:Table of thermodynamic equations 1984:From the footnote continued on 1706:Rumford was an opponent of the 1406:Maxwell's thermodynamic surface 1140: 1128: 1085: 1073: 1030: 1018: 990: 978: 1: 1850:mechanical equivalent of heat 1834:mechanical equivalent of heat 1805:. At that time, cannons were 1686:, which was published in the 1307:Mechanical equivalent of heat 919:Onsager reciprocal relations 1411:Entropy as energy dispersal 1222:"Perpetual motion" machines 1161:{\displaystyle G(T,p)=H-TS} 1106:{\displaystyle A(T,V)=U-TS} 1051:{\displaystyle H(S,p)=U+pV} 2514: 1667: 1661: 858:{\displaystyle \partial T} 811:{\displaystyle \partial V} 726:{\displaystyle \partial p} 679:{\displaystyle \partial V} 591:{\displaystyle \partial T} 544:{\displaystyle \partial S} 2478:Thermodynamics literature 2449:Cardwell, D.S.L. (1971). 2255:Cardwell, D.S.L. (1971). 1785:Rumford had observed the 1332:An Inquiry Concerning the 2250:. Printed by E. Flesher. 1345:Heterogeneous Substances 762:{\displaystyle \alpha =} 630:{\displaystyle \beta =-} 2432:Thomson, T. "Caloric". 1870:Antoine CĂ©sar Becquerel 2416:10.1098/rstl.1804.0009 2381:10.1098/rstl.1798.0006 2290:10.1098/rstl.1783.0021 2264:Cavendish, H. (1783). 1853: 1659: 1162: 1107: 1052: 997: 996:{\displaystyle U(S,V)} 859: 835: 812: 788: 763: 727: 703: 680: 656: 631: 592: 568: 545: 521: 496: 475:Specific heat capacity 79:Quantum thermodynamics 2453:. Heinemann: London. 2397:Thompson, B. (1804). 2362:Thompson, B. (1798). 1847: 1657: 1343:On the Equilibrium of 1163: 1108: 1061:Helmholtz free energy 1053: 998: 860: 836: 813: 789: 764: 728: 704: 681: 657: 632: 593: 569: 546: 522: 497: 2240:. William Pickering. 1896:James Prescott Joule 1866:Jöns Jakob Berzelius 1748:or the principle of 1735:argument from design 1356:Motive Power of Fire 1122: 1067: 1012: 972: 924:Bridgman's equations 901:Fundamental relation 846: 825: 799: 778: 750: 714: 693: 667: 646: 615: 579: 558: 532: 511: 483: 2344:Leslie, J. (1804). 2315:Journal de Physique 2282:1783RSPT...73..303C 2236:Bacon, F. (1850) . 2101:, pp. 164–168. 1334:Source ... Friction 1266:Loschmidt's paradox 458:Material properties 336:Conjugate variables 2328:Manchester Memoirs 2074:, pp. 99–100. 1854: 1789:heat generated by 1660: 1598:Order and disorder 1354:Reflections on the 1261:Heat death paradox 1158: 1103: 1048: 993: 855: 831: 808: 784: 759: 723: 699: 676: 652: 627: 588: 564: 541: 517: 495:{\displaystyle c=} 492: 465:Property databases 441:Reduced properties 425:Chemical potential 389:Functions of state 312:Thermal efficiency 48:Carnot heat engine 2116:, pp. 61–62. 1718:are absolute non- 1658:Benjamin Thompson 1652: 1651: 1593:Self-organization 1418: 1417: 1116:Gibbs free energy 914:Maxwell relations 872: 871: 868: 867: 834:{\displaystyle V} 787:{\displaystyle 1} 742:Thermal expansion 736: 735: 702:{\displaystyle V} 655:{\displaystyle 1} 601: 600: 567:{\displaystyle N} 520:{\displaystyle T} 448: 447: 364:Process functions 350:Property diagrams 329:System properties 319: 318: 284:Endoreversibility 176:Equation of state 16:(Redirected from 2505: 2464: 2437: 2428: 2418: 2393: 2383: 2358: 2349: 2340: 2331: 2322: 2309: 2260: 2251: 2241: 2222: 2216: 2210: 2204: 2198: 2192: 2186: 2180: 2174: 2168: 2159: 2156:Cavendish (1783) 2153: 2144: 2138: 2129: 2123: 2117: 2111: 2102: 2096: 2087: 2081: 2075: 2069: 2063: 2057: 2051: 2045: 2039: 2033: 2027: 2021: 1999: 1995: 1989: 1982: 1976: 1969: 1963: 1956: 1950: 1942: 1936: 1921: 1915: 1912: 1883:from the study. 1680:scientific paper 1644: 1637: 1630: 1614: 1613: 1321:Key publications 1302: 1301:("living force") 1251:Brownian ratchet 1246:Entropy and life 1241:Entropy and time 1192: 1167: 1165: 1164: 1159: 1112: 1110: 1109: 1104: 1057: 1055: 1054: 1049: 1002: 1000: 999: 994: 896:Clausius theorem 891:Carnot's theorem 864: 862: 861: 856: 840: 838: 837: 832: 817: 815: 814: 809: 793: 791: 790: 785: 772: 771: 768: 766: 765: 760: 732: 730: 729: 724: 708: 706: 705: 700: 685: 683: 682: 677: 661: 659: 658: 653: 640: 639: 636: 634: 633: 628: 597: 595: 594: 589: 573: 571: 570: 565: 550: 548: 547: 542: 526: 524: 523: 518: 505: 504: 501: 499: 498: 493: 471: 470: 344: 163: 44: 30: 21: 2513: 2512: 2508: 2507: 2506: 2504: 2503: 2502: 2488:1798 in science 2468: 2467: 2461: 2448: 2445: 2440: 2436:(3rd ed.). 2431: 2396: 2361: 2357:. R. Francklin. 2352: 2343: 2334: 2325: 2312: 2263: 2254: 2244: 2235: 2231: 2226: 2225: 2219:Cardwell (1971) 2217: 2213: 2205: 2201: 2193: 2189: 2181: 2177: 2171:Thompson (1798) 2169: 2162: 2154: 2147: 2139: 2132: 2124: 2120: 2112: 2105: 2097: 2090: 2084:Thompson (1798) 2082: 2078: 2072:Cardwell (1971) 2070: 2066: 2060:Thompson (1804) 2058: 2054: 2046: 2042: 2036:Cardwell (1971) 2034: 2030: 2024:Thompson (1798) 2022: 2018: 2013: 2008: 2003: 2002: 1996: 1992: 1983: 1979: 1970: 1966: 1957: 1953: 1943: 1939: 1922: 1918: 1913: 1909: 1904: 1889:reproducibility 1842: 1797:barrels at the 1783: 1775:Henry Cavendish 1704: 1672: 1666: 1648: 1603: 1602: 1578: 1570: 1569: 1568: 1428: 1420: 1419: 1398: 1384: 1359: 1355: 1348: 1344: 1337: 1333: 1300: 1293: 1275: 1256:Maxwell's demon 1218: 1189: 1188: 1172: 1171: 1170: 1120: 1119: 1118: 1065: 1064: 1063: 1010: 1009: 1008: 970: 969: 968: 966:Internal energy 961: 946: 936: 935: 910: 885: 875: 874: 873: 844: 843: 823: 822: 797: 796: 776: 775: 748: 747: 712: 711: 691: 690: 665: 664: 644: 643: 613: 612: 607:Compressibility 577: 576: 556: 555: 530: 529: 509: 508: 481: 480: 460: 450: 449: 430:Particle number 383: 342: 331: 321: 320: 279:Irreversibility 191:State of matter 158:Isolated system 143: 133: 132: 131: 106: 96: 95: 91:Non-equilibrium 83: 58: 50: 28: 23: 22: 15: 12: 11: 5: 2511: 2509: 2501: 2500: 2495: 2493:Physics papers 2490: 2485: 2483:1798 documents 2480: 2470: 2469: 2466: 2465: 2459: 2444: 2441: 2439: 2438: 2429: 2394: 2359: 2350: 2341: 2332: 2323: 2310: 2261: 2252: 2242: 2232: 2230: 2227: 2224: 2223: 2221:, p. 102. 2211: 2209:, p. 213. 2199: 2187: 2185:, p. 603. 2175: 2160: 2158:, p. 313. 2145: 2143:, p. 224. 2130: 2128:, p. 116. 2118: 2103: 2088: 2086:, p. 100. 2076: 2064: 2052: 2040: 2028: 2015: 2014: 2012: 2009: 2007: 2004: 2001: 2000: 1990: 1977: 1964: 1951: 1937: 1916: 1906: 1905: 1903: 1900: 1885:Charles Haldat 1872:observed that 1862:Thomas Thomson 1841: 1838: 1824:specific heats 1782: 1779: 1746:kinetic theory 1708:caloric theory 1703: 1700: 1696:thermodynamics 1650: 1649: 1647: 1646: 1639: 1632: 1624: 1621: 1620: 1619: 1618: 1605: 1604: 1601: 1600: 1595: 1590: 1585: 1579: 1576: 1575: 1572: 1571: 1567: 1566: 1561: 1556: 1551: 1546: 1541: 1536: 1531: 1526: 1521: 1516: 1511: 1506: 1501: 1496: 1491: 1486: 1481: 1476: 1471: 1466: 1461: 1456: 1451: 1446: 1441: 1436: 1430: 1429: 1426: 1425: 1422: 1421: 1416: 1415: 1414: 1413: 1408: 1400: 1399: 1397: 1396: 1393: 1389: 1386: 1385: 1383: 1382: 1377: 1375:Thermodynamics 1371: 1368: 1367: 1363: 1362: 1361: 1360: 1351: 1349: 1340: 1338: 1329: 1324: 1323: 1317: 1316: 1315: 1314: 1309: 1304: 1292: 1291: 1289:Caloric theory 1285: 1282: 1281: 1277: 1276: 1274: 1273: 1268: 1263: 1258: 1253: 1248: 1243: 1237: 1234: 1233: 1227: 1226: 1225: 1224: 1217: 1216: 1211: 1206: 1200: 1197: 1196: 1190: 1187: 1186: 1183: 1179: 1178: 1177: 1174: 1173: 1169: 1168: 1157: 1154: 1151: 1148: 1145: 1142: 1139: 1136: 1133: 1130: 1127: 1113: 1102: 1099: 1096: 1093: 1090: 1087: 1084: 1081: 1078: 1075: 1072: 1058: 1047: 1044: 1041: 1038: 1035: 1032: 1029: 1026: 1023: 1020: 1017: 1003: 992: 989: 986: 983: 980: 977: 962: 960: 959: 954: 948: 947: 942: 941: 938: 937: 934: 933: 926: 921: 916: 909: 908: 903: 898: 893: 887: 886: 881: 880: 877: 876: 870: 869: 866: 865: 854: 851: 841: 830: 819: 818: 807: 804: 794: 783: 769: 758: 755: 745: 738: 737: 734: 733: 722: 719: 709: 698: 687: 686: 675: 672: 662: 651: 637: 626: 623: 620: 610: 603: 602: 599: 598: 587: 584: 574: 563: 552: 551: 540: 537: 527: 516: 502: 491: 488: 478: 469: 468: 467: 461: 456: 455: 452: 451: 446: 445: 444: 443: 438: 433: 422: 411: 392: 391: 385: 384: 382: 381: 376: 370: 367: 366: 360: 359: 358: 357: 352: 333: 332: 327: 326: 323: 322: 317: 316: 315: 314: 309: 304: 296: 295: 289: 288: 287: 286: 281: 276: 271: 269:Free expansion 266: 261: 256: 251: 246: 241: 236: 231: 223: 222: 216: 215: 214: 213: 208: 206:Control volume 203: 198: 196:Phase (matter) 193: 188: 183: 178: 170: 169: 161: 160: 155: 150: 144: 139: 138: 135: 134: 130: 129: 124: 119: 114: 108: 107: 102: 101: 98: 97: 94: 93: 82: 81: 76: 71: 66: 60: 59: 56: 55: 52: 51: 46:The classical 45: 37: 36: 34:Thermodynamics 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2510: 2499: 2496: 2494: 2491: 2489: 2486: 2484: 2481: 2479: 2476: 2475: 2473: 2462: 2460:0-435-54150-1 2456: 2452: 2447: 2446: 2442: 2435: 2430: 2426: 2422: 2417: 2412: 2408: 2404: 2400: 2395: 2391: 2387: 2382: 2377: 2373: 2369: 2365: 2360: 2356: 2351: 2347: 2342: 2338: 2333: 2329: 2324: 2320: 2316: 2311: 2307: 2303: 2299: 2295: 2291: 2287: 2283: 2279: 2275: 2271: 2267: 2262: 2258: 2253: 2249: 2243: 2239: 2234: 2233: 2228: 2220: 2215: 2212: 2208: 2207:Haldat (1810) 2203: 2200: 2196: 2191: 2188: 2184: 2179: 2176: 2173:, p. 84. 2172: 2167: 2165: 2161: 2157: 2152: 2150: 2146: 2142: 2137: 2135: 2131: 2127: 2122: 2119: 2115: 2110: 2108: 2104: 2100: 2095: 2093: 2089: 2085: 2080: 2077: 2073: 2068: 2065: 2061: 2056: 2053: 2049: 2048:Leslie (1804) 2044: 2041: 2038:, p. 99. 2037: 2032: 2029: 2025: 2020: 2017: 2010: 2005: 1994: 1991: 1987: 1981: 1978: 1974: 1968: 1965: 1961: 1955: 1952: 1948: 1941: 1938: 1934: 1930: 1926: 1920: 1917: 1911: 1908: 1901: 1899: 1897: 1892: 1890: 1886: 1882: 1881:extrapolation 1877: 1875: 1871: 1867: 1863: 1860:, as well as 1859: 1858:William Henry 1851: 1846: 1839: 1837: 1835: 1830: 1827: 1825: 1820: 1816: 1812: 1808: 1804: 1800: 1796: 1792: 1788: 1780: 1778: 1776: 1772: 1768: 1764: 1760: 1759:Francis Bacon 1755: 1753: 1752: 1747: 1743: 1738: 1736: 1731: 1729: 1725: 1721: 1717: 1713: 1709: 1701: 1699: 1697: 1693: 1689: 1685: 1681: 1677: 1671: 1665: 1656: 1645: 1640: 1638: 1633: 1631: 1626: 1625: 1623: 1622: 1617: 1609: 1608: 1607: 1606: 1599: 1596: 1594: 1591: 1589: 1588:Self-assembly 1586: 1584: 1581: 1580: 1574: 1573: 1565: 1562: 1560: 1559:van der Waals 1557: 1555: 1552: 1550: 1547: 1545: 1542: 1540: 1537: 1535: 1532: 1530: 1527: 1525: 1522: 1520: 1517: 1515: 1512: 1510: 1507: 1505: 1502: 1500: 1497: 1495: 1492: 1490: 1487: 1485: 1484:von Helmholtz 1482: 1480: 1477: 1475: 1472: 1470: 1467: 1465: 1462: 1460: 1457: 1455: 1452: 1450: 1447: 1445: 1442: 1440: 1437: 1435: 1432: 1431: 1424: 1423: 1412: 1409: 1407: 1404: 1403: 1402: 1401: 1394: 1391: 1390: 1387: 1381: 1378: 1376: 1373: 1372: 1370: 1369: 1364: 1358: 1357: 1350: 1347: 1346: 1339: 1336: 1335: 1328: 1327: 1326: 1325: 1322: 1318: 1313: 1310: 1308: 1305: 1303: 1299: 1295: 1294: 1290: 1287: 1286: 1284: 1283: 1278: 1272: 1269: 1267: 1264: 1262: 1259: 1257: 1254: 1252: 1249: 1247: 1244: 1242: 1239: 1238: 1236: 1235: 1232: 1228: 1223: 1220: 1219: 1215: 1212: 1210: 1207: 1205: 1202: 1201: 1199: 1198: 1193: 1184: 1181: 1180: 1176: 1175: 1155: 1152: 1149: 1146: 1143: 1137: 1134: 1131: 1125: 1117: 1114: 1100: 1097: 1094: 1091: 1088: 1082: 1079: 1076: 1070: 1062: 1059: 1045: 1042: 1039: 1036: 1033: 1027: 1024: 1021: 1015: 1007: 1004: 987: 984: 981: 975: 967: 964: 963: 958: 955: 953: 950: 949: 945: 940: 939: 932: 931: 927: 925: 922: 920: 917: 915: 912: 911: 907: 906:Ideal gas law 904: 902: 899: 897: 894: 892: 889: 888: 884: 879: 878: 852: 842: 828: 821: 820: 805: 795: 781: 774: 773: 770: 756: 753: 746: 743: 740: 739: 720: 710: 696: 689: 688: 673: 663: 649: 642: 641: 638: 624: 621: 618: 611: 608: 605: 604: 585: 575: 561: 554: 553: 538: 528: 514: 507: 506: 503: 489: 486: 479: 476: 473: 472: 466: 463: 462: 459: 454: 453: 442: 439: 437: 436:Vapor quality 434: 432: 431: 426: 423: 421: 420: 415: 412: 409: 405: 404: 399: 396: 395: 394: 393: 390: 386: 380: 377: 375: 372: 371: 369: 368: 365: 361: 356: 353: 351: 348: 347: 346: 345: 341: 337: 330: 325: 324: 313: 310: 308: 305: 303: 300: 299: 298: 297: 294: 290: 285: 282: 280: 277: 275: 274:Reversibility 272: 270: 267: 265: 262: 260: 257: 255: 252: 250: 247: 245: 242: 240: 237: 235: 232: 230: 227: 226: 225: 224: 221: 217: 212: 209: 207: 204: 202: 199: 197: 194: 192: 189: 187: 184: 182: 179: 177: 174: 173: 172: 171: 168: 164: 159: 156: 154: 151: 149: 148:Closed system 146: 145: 142: 137: 136: 128: 125: 123: 120: 118: 115: 113: 110: 109: 105: 100: 99: 92: 88: 85: 84: 80: 77: 75: 72: 70: 67: 65: 62: 61: 54: 53: 49: 43: 39: 38: 35: 31: 19: 2450: 2443:Bibliography 2433: 2406: 2402: 2371: 2367: 2354: 2345: 2336: 2327: 2318: 2314: 2273: 2269: 2259:. Heinemann. 2256: 2246: 2237: 2214: 2202: 2190: 2183:Henry (1802) 2178: 2141:Locke (1720) 2126:Hooke (1705) 2121: 2114:Boyle (1675) 2099:Bacon (1850) 2079: 2067: 2055: 2043: 2031: 2019: 1993: 1980: 1967: 1954: 1940: 1919: 1910: 1893: 1878: 1855: 1831: 1828: 1784: 1767:Robert Hooke 1763:Robert Boyle 1756: 1749: 1739: 1732: 1705: 1675: 1673: 1449:CarathĂ©odory 1380:Heat engines 1352: 1341: 1331: 1330: 1312:Motive power 1297: 957:Free entropy 928: 428: 427: / 417: 416: / 408:introduction 401: 400: / 339: 302:Heat engines 89: / 2276:: 303–328. 1874:electricity 1781:Experiments 1728:John Leslie 1724:John Dalton 1271:Synergetics 952:Free energy 398:Temperature 259:Quasistatic 254:Isenthalpic 211:Instruments 201:Equilibrium 153:Open system 87:Equilibrium 69:Statistical 2472:Categories 2409:: 77–182. 2374:: 80–102. 2006:References 1787:frictional 1771:John Locke 1720:conductors 1702:Background 1692:revolution 1668:See also: 1662:See also: 1583:Nucleation 1427:Scientists 1231:Philosophy 944:Potentials 307:Heat pumps 264:Polytropic 249:Isentropic 239:Isothermal 2425:186211958 2390:186208954 2348:. London. 2330:(V): 603. 2306:186208906 2011:Citations 1947:pp. 61-62 1840:Reception 1564:Waterston 1514:von Mayer 1469:de Donder 1459:Clapeyron 1439:Boltzmann 1434:Bernoulli 1395:Education 1366:Timelines 1150:− 1095:− 883:Equations 850:∂ 803:∂ 754:α 718:∂ 671:∂ 625:− 619:β 583:∂ 536:∂ 244:Adiabatic 234:Isochoric 220:Processes 181:Ideal gas 64:Classical 1751:vis viva 1616:Category 1554:Thompson 1464:Clausius 1444:Bridgman 1298:Vis viva 1280:Theories 1214:Gas laws 1006:Enthalpy 414:Pressure 229:Isobaric 186:Real gas 74:Chemical 57:Branches 2278:Bibcode 2229:Sources 2195:Thomson 1811:foundry 1809:at the 1799:arsenal 1716:liquids 1678:" is a 1539:Smeaton 1534:Rankine 1524:Onsager 1509:Maxwell 1504:Massieu 1209:Entropy 1204:General 1195:History 1185:Culture 1182:History 406: ( 403:Entropy 340:italics 141:Systems 2457:  2423:  2388:  2304:  2298:106496 2296:  2248:acidum 1986:p. 313 1973:p. 224 1960:p. 116 1933:p. 168 1929:p. 165 1925:p. 164 1868:, and 1819:boiled 1815:muzzle 1803:Munich 1795:cannon 1791:boring 1773:, and 1742:motion 1529:Planck 1519:Nernst 1494:Kelvin 1454:Carnot 744:  609:  477:  419:Volume 334:Note: 293:Cycles 122:Second 112:Zeroth 2421:S2CID 2386:S2CID 2302:S2CID 2294:JSTOR 1971:From 1958:From 1902:Notes 1712:gases 1577:Other 1544:Stahl 1499:Lewis 1489:Joule 1479:Gibbs 1474:Duhem 167:State 127:Third 117:First 2455:ISBN 1807:cast 1793:out 1726:and 1714:and 1549:Tait 379:Heat 374:Work 104:Laws 2411:doi 2376:doi 2319:lxv 2286:doi 1801:in 1765:, 1694:in 1682:by 1392:Art 338:in 2474:: 2419:. 2407:94 2405:. 2401:. 2384:. 2372:88 2370:. 2366:. 2317:. 2300:. 2292:. 2284:. 2274:73 2272:. 2268:. 2163:^ 2148:^ 2133:^ 2106:^ 2091:^ 1836:. 1777:. 1769:, 1761:, 1754:. 1730:. 1698:. 2463:. 2427:. 2413:: 2392:. 2378:: 2321:. 2308:. 2288:: 2280:: 2197:. 2062:. 2050:. 2026:. 1852:. 1674:" 1643:e 1636:t 1629:v 1156:S 1153:T 1147:H 1144:= 1141:) 1138:p 1135:, 1132:T 1129:( 1126:G 1101:S 1098:T 1092:U 1089:= 1086:) 1083:V 1080:, 1077:T 1074:( 1071:A 1046:V 1043:p 1040:+ 1037:U 1034:= 1031:) 1028:p 1025:, 1022:S 1019:( 1016:H 991:) 988:V 985:, 982:S 979:( 976:U 853:T 829:V 806:V 782:1 757:= 721:p 697:V 674:V 650:1 622:= 586:T 562:N 539:S 515:T 490:= 487:c 410:) 20:)

Index

An Experimental Enquiry Concerning the Source of the Heat which is Excited by Friction
Thermodynamics

Carnot heat engine
Classical
Statistical
Chemical
Quantum thermodynamics
Equilibrium
Non-equilibrium
Laws
Zeroth
First
Second
Third
Systems
Closed system
Open system
Isolated system
State
Equation of state
Ideal gas
Real gas
State of matter
Phase (matter)
Equilibrium
Control volume
Instruments
Processes
Isobaric

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