{"id":7967,"date":"2019-05-22T16:02:35","date_gmt":"2019-05-22T16:02:35","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/first_law_of_thermodynamics\/"},"modified":"2019-05-22T16:02:35","modified_gmt":"2019-05-22T16:02:35","slug":"first_law_of_thermodynamics","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/first_law_of_thermodynamics\/","title":{"rendered":"First law of thermodynamics"},"content":{"rendered":"<p>The law of conservation energy, first discovered by <a href=\"http:\/\/library.thinkquest.org\/10170\/voca\/jouleb.htm\" target=\"_self\" data-editable-link=\"http:\/\/library.thinkquest.org\/10170\/voca\/jouleb.htm&amp;target=_self\" rel=\"noopener noreferrer\">James Prescott Joule<\/a> (1818-1889) in 1851, which holds that energy can neither be created nor destroyed, but that it can change form. &nbsp;It applies to closed systems in which the total amount of energy of all kinds is constant. &nbsp;While all natural processes conform to this law, not all processes doing so occur in nature. &nbsp;In fact, most natural processes occur in open systems and are thus irreversible (i.e., they proceed in one direction). &nbsp;This gave rise to the second law of thermodynamics and to irreversible thermodynamics.&nbsp;<\/p>\n<p>See <a href=\"classical_thermodynamics\">Classical thermodynamics<\/a>, <a href=\"closed_system\">Closed system<\/a>, <a href=\"irreversible_thermodynamics\">Irreversible thermodynamics<\/a>, <a href=\"joule\">Joule<\/a>, <a href=\"open_system\">Open system<\/a>, Second law of thermodynamics      <\/p>\n<p><\/p>\n<p><\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The law of conservation energy, first discovered by James Prescott Joule (1818-1889) in 1851, which holds that energy can neither be created nor destroyed, but that it can change form. &nbsp;It applies to closed systems in which the total amount of energy of all kinds is constant. &nbsp;While all natural processes conform to this law, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/first_law_of_thermodynamics\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;First law of thermodynamics&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2],"class_list":["post-7967","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-glossary","entry"],"_links":{"self":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/7967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/comments?post=7967"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/7967\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=7967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=7967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=7967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}