{"id":262,"date":"2025-07-01T03:23:34","date_gmt":"2025-07-01T03:23:34","guid":{"rendered":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/?post_type=chapter&#038;p=262"},"modified":"2026-01-27T17:06:41","modified_gmt":"2026-01-27T17:06:41","slug":"procedure-5","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/chapter\/procedure-5\/","title":{"raw":"Laboratory Preparation &amp; Procedure","rendered":"Laboratory Preparation &amp; Procedure"},"content":{"raw":"<h2><strong>Materials:\u00a0<\/strong><\/h2>\r\n<ul>\r\n \t<li>Metric Rulers (2)<\/li>\r\n \t<li>Object A<\/li>\r\n \t<li>Object B<\/li>\r\n \t<li>Object C<\/li>\r\n \t<li>Object D<\/li>\r\n \t<li>Scissors<\/li>\r\n<\/ul>\r\n<h2><strong>Safety:<\/strong><\/h2>\r\nNo chemicals are in use but be aware of your surroundings in your handling of the scissors.\r\n<h2><strong>Procedure:<\/strong><\/h2>\r\n<ol>\r\n \t<li>Collect the metric ruler designated as \u20181.\u2019<\/li>\r\n \t<li>Use metric ruler 1 to measure the length and width of Object A. Report your measured values to the correct precision of the device. Record in Table 1.<\/li>\r\n \t<li>Convert each of your measured centimeter values to meters. Show your conversion.<\/li>\r\n \t<li>Complete Table 1 by writing the number of significant figures found in each measured quantity.<\/li>\r\n \t<li>Repeat steps 2 -3 for Objects B, C, and D.<\/li>\r\n \t<li>Calculate the area of each object using the appropriate formula for its shape. Record the calculator value in Table 2.<\/li>\r\n \t<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of significant figures based on the mathematical operation.<\/li>\r\n \t<li>Complete Table 2 by writing the number of significant figures that should be reflected in your adjusted value.<\/li>\r\n \t<li>Determine the perimeter of each object. Record the calculator value in Table 3.<\/li>\r\n \t<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of decimal places based on the mathematical operation.<\/li>\r\n \t<li>Collect the metric ruler designated as \u20182.\u2019<\/li>\r\n \t<li>Use metric ruler 2 to measure the length and width of Object A. Report your measured values to the correct precision of the device. Record your measured values in Table 4.<\/li>\r\n \t<li>Convert each of your measured centimeter values to meters. Show your conversion.<\/li>\r\n \t<li>Complete Table 4 by writing the number of significant figures found in each measured quantity.<\/li>\r\n \t<li>Repeat steps 11-12 for Objects B, C, and D.<\/li>\r\n \t<li>Calculate the area of each object using the appropriate formula for its shape. Record the calculator value in Table 5.<\/li>\r\n \t<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of significant figures based on the mathematical operation.<\/li>\r\n \t<li>Complete Table 5 by writing the number of significant figures that should be reflected in your adjusted value.<\/li>\r\n \t<li>Determine the perimeter of each object. Record the calculator value in Table 6.<\/li>\r\n \t<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of decimal places based on the mathematical operation.<\/li>\r\n<\/ol>","rendered":"<h2><strong>Materials:\u00a0<\/strong><\/h2>\n<ul>\n<li>Metric Rulers (2)<\/li>\n<li>Object A<\/li>\n<li>Object B<\/li>\n<li>Object C<\/li>\n<li>Object D<\/li>\n<li>Scissors<\/li>\n<\/ul>\n<h2><strong>Safety:<\/strong><\/h2>\n<p>No chemicals are in use but be aware of your surroundings in your handling of the scissors.<\/p>\n<h2><strong>Procedure:<\/strong><\/h2>\n<ol>\n<li>Collect the metric ruler designated as \u20181.\u2019<\/li>\n<li>Use metric ruler 1 to measure the length and width of Object A. Report your measured values to the correct precision of the device. Record in Table 1.<\/li>\n<li>Convert each of your measured centimeter values to meters. Show your conversion.<\/li>\n<li>Complete Table 1 by writing the number of significant figures found in each measured quantity.<\/li>\n<li>Repeat steps 2 -3 for Objects B, C, and D.<\/li>\n<li>Calculate the area of each object using the appropriate formula for its shape. Record the calculator value in Table 2.<\/li>\n<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of significant figures based on the mathematical operation.<\/li>\n<li>Complete Table 2 by writing the number of significant figures that should be reflected in your adjusted value.<\/li>\n<li>Determine the perimeter of each object. Record the calculator value in Table 3.<\/li>\n<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of decimal places based on the mathematical operation.<\/li>\n<li>Collect the metric ruler designated as \u20182.\u2019<\/li>\n<li>Use metric ruler 2 to measure the length and width of Object A. Report your measured values to the correct precision of the device. Record your measured values in Table 4.<\/li>\n<li>Convert each of your measured centimeter values to meters. Show your conversion.<\/li>\n<li>Complete Table 4 by writing the number of significant figures found in each measured quantity.<\/li>\n<li>Repeat steps 11-12 for Objects B, C, and D.<\/li>\n<li>Calculate the area of each object using the appropriate formula for its shape. Record the calculator value in Table 5.<\/li>\n<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of significant figures based on the mathematical operation.<\/li>\n<li>Complete Table 5 by writing the number of significant figures that should be reflected in your adjusted value.<\/li>\n<li>Determine the perimeter of each object. Record the calculator value in Table 6.<\/li>\n<li>Applying the rules of significant figures, adjust your calculator value to reflect the correct number of decimal places based on the mathematical operation.<\/li>\n<\/ol>\n","protected":false},"author":125,"menu_order":2,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-262","chapter","type-chapter","status-web-only","hentry"],"part":257,"_links":{"self":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/262","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":21,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/262\/revisions"}],"predecessor-version":[{"id":966,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/262\/revisions\/966"}],"part":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/parts\/257"}],"metadata":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/262\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/media?parent=262"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapter-type?post=262"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/contributor?post=262"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/license?post=262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}