{"id":139881,"date":"2024-09-17T20:35:34","date_gmt":"2024-09-17T20:35:34","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=139881"},"modified":"2024-09-17T20:35:37","modified_gmt":"2024-09-17T20:35:37","slug":"the-triple-point-of-a-substance-is-the-temperature-and-pressure-at-which-the-substance-exists-as-which-of-the-following-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/09\/17\/the-triple-point-of-a-substance-is-the-temperature-and-pressure-at-which-the-substance-exists-as-which-of-the-following-2\/","title":{"rendered":"The triple point of a substance is the temperature and pressure at which the substance exists as which of the following"},"content":{"rendered":"\n

The triple point of a substance is the temperature and pressure at which the substance exists as which of the following?<\/p>\n\n\n\n

A.
Simultaneously in sol, gel, and plasma phases<\/p>\n\n\n\n

B.
As a gel with solid and liquid trapped in gas<\/p>\n\n\n\n

C.
As a sol with gas and solid trapped in liquid<\/p>\n\n\n\n

D.
Simultaneously in solid, liquid, and gas phases<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n

The correct answer is:<\/p>\n\n\n\n

D. Simultaneously in solid, liquid, and gas phases<\/strong><\/p>\n\n\n\n

Explanation<\/h3>\n\n\n\n

The triple point of a substance is a unique thermodynamic condition at which three phases of the substance\u2014solid, liquid, and gas\u2014coexist in equilibrium. This specific combination of temperature and pressure is crucial for defining the substance’s phase diagram, which visually represents the stability of phases under different conditions.<\/p>\n\n\n\n

Understanding the Triple Point:<\/strong><\/h4>\n\n\n\n
    \n
  1. Definition and Significance:<\/strong> The triple point is defined as the precise temperature and pressure where the three phases of a substance can exist in a stable equilibrium. At this point, the substance can transition between solid, liquid, and gas states without changing the overall pressure or temperature. This concept is essential for calibrating thermometers and for understanding the fundamental properties of materials.<\/li>\n\n\n\n
  2. Phase Diagram Representation:<\/strong> On a phase diagram, the triple point is represented as a single point where the boundaries of the solid, liquid, and gas phases converge. The phase diagram provides a graphical representation of the conditions under which different phases are stable. The intersection of these phase boundaries is where the triple point occurs.<\/li>\n\n\n\n
  3. Examples and Applications:<\/strong>\n
      \n
    • Water:<\/strong> The triple point of water occurs at a temperature of approximately 0.01\u00b0C and a pressure of 611.657 pascals. This condition is used to define the Kelvin temperature scale, making it a fundamental reference point in thermodynamics.<\/li>\n\n\n\n
    • Other Substances:<\/strong> Each substance has its own unique triple point, dependent on its specific phase transition properties. For example, the triple point of carbon dioxide occurs at about -56.6\u00b0C and 5.11 atmospheres of pressure.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • Importance in Science and Industry:<\/strong> Understanding the triple point is crucial in various fields such as chemistry, materials science, and engineering. It helps in designing processes and systems where precise phase conditions are necessary, such as in the manufacture of materials and in cryogenics.<\/li>\n<\/ol>\n\n\n\n

      In summary, the triple point is a critical concept that highlights the conditions under which a substance can simultaneously exist in all three common phases. It provides valuable insights into phase behavior and is fundamental to the study of thermodynamics.<\/p>\n","protected":false},"excerpt":{"rendered":"

      The triple point of a substance is the temperature and pressure at which the substance exists as which of the following? A.Simultaneously in sol, gel, and plasma phases B.As a gel with solid and liquid trapped in gas C.As a sol with gas and solid trapped in liquid D.Simultaneously in solid, liquid, and gas phases […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-139881","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/139881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=139881"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/139881\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=139881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=139881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=139881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}