{"id":3045,"date":"2022-05-06T19:38:06","date_gmt":"2022-05-06T19:38:06","guid":{"rendered":"https:\/\/mdr.foobrdigital.com\/?p=3045"},"modified":"2022-05-06T19:38:06","modified_gmt":"2022-05-06T19:38:06","slug":"heat-formula","status":"publish","type":"post","link":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/2022\/05\/06\/heat-formula\/","title":{"rendered":"Heat Formula"},"content":{"rendered":"\n<p>Heat is the transfer of kinetic energy from one medium or object to another or via energy source to a medium or object. This energy transfer can occur in three ways namely radiation, conduction, and convection. Heat is a form of energy that produces a change in the temperature of any substance.<\/p>\n\n\n\n<p>Heat by conduction takes place when two objects are in direct contact and the temperature of one is higher than the other. The temperature tends to equalize that\u2019s the reason the heat conduction consists of the transfer of kinetic energy from a warmer medium to a cooler one.&nbsp;The heat is denoted by&nbsp;<strong>Q<\/strong>. Specific heat capacity&nbsp;is the amount&nbsp;of heat&nbsp;energy required to raise the temperature&nbsp;of&nbsp;a substance per unit&nbsp;of&nbsp;mass.<\/p>\n\n\n\n<p>The Specific Heat formula is given as<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?c%3D%5Cfrac%7BQ%7D%7Bm%5Ctimes%20%5CDelta%20T%7D\" alt=\"Heat formula 1\" title=\"Heat formula 1\"\/><\/figure>\n\n\n\n<p>Where,<\/p>\n\n\n\n<ul><li>m is the mass of the body<\/li><li>C is the specific heat<\/li><li>\u0394 T is the temperature difference<\/li><\/ul>\n\n\n\n<p>Heat formula can be applied to find the heat transfer, mass, specific heat, or temperature difference.<\/p>\n\n\n\n<p>Heat is expressed in&nbsp;<strong>Joules (J)<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Solved Examples<\/h2>\n\n\n\n<p>Determine the heat needed to raise a half kg of iron from 250&nbsp;C to 600&nbsp;C?<\/p>\n\n\n\n<p><strong>Solution:<\/strong><\/p>\n\n\n\n<p>Given parameters are<\/p>\n\n\n\n<p>Mass m = 0.5 Kg,<\/p>\n\n\n\n<p>Specific heat of iron c=&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?0.43%5Ctimes%2010%5E%7B3%7DJ\/Kg%5E%7B0%7DC\" alt=\"Specific heat formula 2\" width=\"146\" height=\"21\"><\/p>\n\n\n\n<p>,&nbsp;Temperature difference&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?%5CLambda%20T%3D70%5E%7B0%7D-25%5E%7B0%7D%3D45%5E%7B0%7DC\" alt=\"Specific heat formula 3\" width=\"185\" height=\"17\"><\/p>\n\n\n\n<p>the heat formula is given by<\/p>\n\n\n\n<p>Q = m&nbsp;\u00d7&nbsp;c&nbsp;\u00d7&nbsp;\u0394 T<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?Q%3D0.5%5Ctimes%200.43%5Ctimes%2010%5E%7B3%7D%5Ctimes%2045\" alt=\"Specific heat formula 4\" title=\"Specific heat formula 4\"\/><\/figure>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;= 10.125 x&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?10%5E%7B3%7D\" alt=\"Specific heat formula 5\" width=\"23\" height=\"17\">&nbsp;J<\/p>\n\n\n\n<p><strong>Example 2<\/strong><\/p>\n\n\n\n<p>Determine how much heat energy is lost if the water of 5 Kg mass is cooled from&nbsp;<img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?60%5E%7B0%7D\">C to&nbsp;<img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?20%5E%7B0%7D\">C. Given the Specific heat of water C =&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?4.2%5Ctimes%2010%5E%7B3%7DJ\/Kg%5E%7B0%7DC\" alt=\"Specific heat formula 6\" width=\"137\" height=\"21\"><\/p>\n\n\n\n<p><strong>Solution:<\/strong><\/p>\n\n\n\n<p>Given parameters are,<\/p>\n\n\n\n<p>Mass of water is 5 Kg,<\/p>\n\n\n\n<p>Specific heat of water C is&nbsp;<img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?4.2%5Ctimes%2010%5E%7B3%7DJ\/Kg%5E%7B0%7DC\"><\/p>\n\n\n\n<p>Temperature difference \u0394 T is =<img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?40%5E%7B0%7D\">The heat energy formula is given by<\/p>\n\n\n\n<p>Q = m x C x \u0394 T<\/p>\n\n\n\n<p>= 5 \u00d7 4.2 \u00d7<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?10%5E%7B3%7D\" alt=\"Specific heat formula 7\" width=\"23\" height=\"17\">\u00d7 40<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= 84.0&nbsp;\u00d7&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex?10%5E%7B3%7D\" alt=\"Specific heat formula 8\" width=\"23\" height=\"17\">J<\/p>\n\n\n\n<p>For more such valuable equations and formulas stay tuned with BYJU\u2019S!!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Heat is the transfer of kinetic energy from one medium or object to another or via energy source to a medium or object. This energy transfer can occur in three ways namely radiation, conduction, and convection. Heat is a form of energy that produces a change in the temperature of any substance. Heat by conduction [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[711],"tags":[],"_links":{"self":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/3045"}],"collection":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/comments?post=3045"}],"version-history":[{"count":0,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/3045\/revisions"}],"wp:attachment":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/media?parent=3045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/categories?post=3045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/tags?post=3045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}