{"id":77,"date":"2025-04-29T02:09:16","date_gmt":"2025-04-29T02:09:16","guid":{"rendered":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/?post_type=chapter&#038;p=77"},"modified":"2025-10-25T03:35:42","modified_gmt":"2025-10-25T03:35:42","slug":"before-each-lab","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/chapter\/before-each-lab\/","title":{"raw":"Before You Arrive for Lab","rendered":"Before You Arrive for Lab"},"content":{"raw":"<p data-start=\"296\" data-end=\"520\">Before coming to lab, every student is expected to prepare a <strong data-start=\"357\" data-end=\"377\">pre-lab write-up<\/strong>. This helps you understand what you'll be doing, why it's important, and how to stay safe. Your pre-lab should be written in your bound lab notebook and include the following sections:<\/p>\r\n\r\n<h2 data-start=\"522\" data-end=\"543\">1. <strong data-start=\"530\" data-end=\"543\">Objective<\/strong><\/h2>\r\n<p data-start=\"544\" data-end=\"665\">Write a short paragraph explaining what the experiment is about and why you're doing it. What is the purpose of this lab?<\/p>\r\n\r\n<h2 data-start=\"932\" data-end=\"950\">2. <strong data-start=\"940\" data-end=\"950\">Safety Hazards<\/strong><\/h2>\r\n<p data-start=\"951\" data-end=\"1134\">Carefully read the full lab procedure before coming to class. In this section, write down all safety hazards and the safety practices you should follow. Use key safety terms like:<\/p>\r\n\r\n<ul data-start=\"1136\" data-end=\"1284\">\r\n \t<li data-start=\"1136\" data-end=\"1176\">\r\n<p data-start=\"1138\" data-end=\"1176\"><strong data-start=\"1138\" data-end=\"1151\">Flammable<\/strong>: Keep away from flames<\/p>\r\n<\/li>\r\n \t<li data-start=\"1177\" data-end=\"1226\">\r\n<p data-start=\"1179\" data-end=\"1226\"><strong data-start=\"1179\" data-end=\"1192\">Corrosive<\/strong>: Use gloves, avoid skin contact<\/p>\r\n<\/li>\r\n \t<li data-start=\"1227\" data-end=\"1284\">\r\n<p data-start=\"1229\" data-end=\"1284\"><strong data-start=\"1229\" data-end=\"1238\">Toxic<\/strong>: Wear gloves, wash hands before leaving lab<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"1526\" data-end=\"1547\">3. <strong data-start=\"1534\" data-end=\"1547\">Materials<\/strong><\/h2>\r\n<p data-start=\"1548\" data-end=\"1686\">List all the equipment and chemicals you\u2019ll need for the lab. Think of it like a \u201crecipe card\u201d to help you set up. Be sure to include:<\/p>\r\n\r\n<ul data-start=\"1688\" data-end=\"1782\">\r\n \t<li data-start=\"1688\" data-end=\"1725\">\r\n<p data-start=\"1690\" data-end=\"1725\">Correct chemical names and formulas<\/p>\r\n<\/li>\r\n \t<li data-start=\"1726\" data-end=\"1782\">\r\n<p data-start=\"1728\" data-end=\"1782\">Equipment names and any required quantities or volumes<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"1784\" data-end=\"1813\">4. <strong data-start=\"1792\" data-end=\"1813\">Procedure Summary<\/strong><\/h2>\r\n<p data-start=\"1814\" data-end=\"2029\">Summarize the lab steps in a <strong data-start=\"1843\" data-end=\"1860\">numbered list<\/strong> in your own words. Don\u2019t copy directly from the lab manual. Your summary should be clear and specific enough that you could follow it without the original instructions.<\/p>\r\n\r\n\r\n[caption id=\"attachment_323\" align=\"aligncenter\" width=\"321\"]<img class=\"wp-image-323\" title=\"well plate\" src=\"http:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-content\/uploads\/sites\/99\/2025\/04\/Prelab-writeup-1-200x300.png\" alt=\"Printed science lab worksheet titled \u201cPrelab Write-up, long description below.\" width=\"321\" height=\"482\" \/> Image generated by OpenAI\u2019s DALL\u00b7E.[\/caption]\r\n<p data-start=\"2208\" data-end=\"2362\">[h5p id=\"1\"]<\/p>\r\n<p data-start=\"2208\" data-end=\"2362\"><strong data-start=\"2208\" data-end=\"2222\">Important:<\/strong><br data-start=\"2222\" data-end=\"2225\" \/>Don\u2019t forget to copy all blank data tables from your lab procedure into your notebook <em>before<\/em> lab day. This makes data collection easier during the lab.<\/p>\r\n<p data-start=\"2208\" data-end=\"2362\"><\/p>","rendered":"<p data-start=\"296\" data-end=\"520\">Before coming to lab, every student is expected to prepare a <strong data-start=\"357\" data-end=\"377\">pre-lab write-up<\/strong>. This helps you understand what you&#8217;ll be doing, why it&#8217;s important, and how to stay safe. Your pre-lab should be written in your bound lab notebook and include the following sections:<\/p>\n<h2 data-start=\"522\" data-end=\"543\">1. <strong data-start=\"530\" data-end=\"543\">Objective<\/strong><\/h2>\n<p data-start=\"544\" data-end=\"665\">Write a short paragraph explaining what the experiment is about and why you&#8217;re doing it. What is the purpose of this lab?<\/p>\n<h2 data-start=\"932\" data-end=\"950\">2. <strong data-start=\"940\" data-end=\"950\">Safety Hazards<\/strong><\/h2>\n<p data-start=\"951\" data-end=\"1134\">Carefully read the full lab procedure before coming to class. In this section, write down all safety hazards and the safety practices you should follow. Use key safety terms like:<\/p>\n<ul data-start=\"1136\" data-end=\"1284\">\n<li data-start=\"1136\" data-end=\"1176\">\n<p data-start=\"1138\" data-end=\"1176\"><strong data-start=\"1138\" data-end=\"1151\">Flammable<\/strong>: Keep away from flames<\/p>\n<\/li>\n<li data-start=\"1177\" data-end=\"1226\">\n<p data-start=\"1179\" data-end=\"1226\"><strong data-start=\"1179\" data-end=\"1192\">Corrosive<\/strong>: Use gloves, avoid skin contact<\/p>\n<\/li>\n<li data-start=\"1227\" data-end=\"1284\">\n<p data-start=\"1229\" data-end=\"1284\"><strong data-start=\"1229\" data-end=\"1238\">Toxic<\/strong>: Wear gloves, wash hands before leaving lab<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1526\" data-end=\"1547\">3. <strong data-start=\"1534\" data-end=\"1547\">Materials<\/strong><\/h2>\n<p data-start=\"1548\" data-end=\"1686\">List all the equipment and chemicals you\u2019ll need for the lab. Think of it like a \u201crecipe card\u201d to help you set up. Be sure to include:<\/p>\n<ul data-start=\"1688\" data-end=\"1782\">\n<li data-start=\"1688\" data-end=\"1725\">\n<p data-start=\"1690\" data-end=\"1725\">Correct chemical names and formulas<\/p>\n<\/li>\n<li data-start=\"1726\" data-end=\"1782\">\n<p data-start=\"1728\" data-end=\"1782\">Equipment names and any required quantities or volumes<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1784\" data-end=\"1813\">4. <strong data-start=\"1792\" data-end=\"1813\">Procedure Summary<\/strong><\/h2>\n<p data-start=\"1814\" data-end=\"2029\">Summarize the lab steps in a <strong data-start=\"1843\" data-end=\"1860\">numbered list<\/strong> in your own words. Don\u2019t copy directly from the lab manual. Your summary should be clear and specific enough that you could follow it without the original instructions.<\/p>\n<figure id=\"attachment_323\" aria-describedby=\"caption-attachment-323\" style=\"width: 321px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-323\" title=\"well plate\" src=\"http:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-content\/uploads\/sites\/99\/2025\/04\/Prelab-writeup-1-200x300.png\" alt=\"Printed science lab worksheet titled \u201cPrelab Write-up, long description below.\" width=\"321\" height=\"482\" srcset=\"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-content\/uploads\/sites\/99\/2025\/04\/Prelab-writeup-1-200x300.png 200w, https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-content\/uploads\/sites\/99\/2025\/04\/Prelab-writeup-1-683x1024.png 683w, https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-content\/uploads\/sites\/99\/2025\/04\/Prelab-writeup-1.png 1024w\" sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><figcaption id=\"caption-attachment-323\" class=\"wp-caption-text\">Image generated by OpenAI\u2019s DALL\u00b7E.<\/figcaption><\/figure>\n<p data-start=\"2208\" data-end=\"2362\">\n<div id=\"h5p-1\">\n<div class=\"h5p-iframe-wrapper\"><iframe id=\"h5p-iframe-1\" class=\"h5p-iframe\" data-content-id=\"1\" style=\"height:1px\" src=\"about:blank\" frameBorder=\"0\" scrolling=\"no\" title=\"Prelab Write-Up Form Long Description\"><\/iframe><\/div>\n<\/div>\n<p data-start=\"2208\" data-end=\"2362\"><strong data-start=\"2208\" data-end=\"2222\">Important:<\/strong><br data-start=\"2222\" data-end=\"2225\" \/>Don\u2019t forget to copy all blank data tables from your lab procedure into your notebook <em>before<\/em> lab day. This makes data collection easier during the lab.<\/p>\n<p data-start=\"2208\" data-end=\"2362\">\n","protected":false},"author":125,"menu_order":4,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-77","chapter","type-chapter","status-web-only","hentry"],"part":69,"_links":{"self":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/users\/125"}],"version-history":[{"count":18,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/77\/revisions"}],"predecessor-version":[{"id":313,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/77\/revisions\/313"}],"part":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/parts\/69"}],"metadata":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/77\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/media?parent=77"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapter-type?post=77"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/contributor?post=77"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/license?post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}